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54807774 = 2372277673
BaseRepresentation
bin1101000100010…
…0110011011110
310211010112010120
43101010303132
5103012322044
65234415410
71233600300
oct321046336
9124115116
1054807774
1128a3498a
1216431566
13b47c848
1473c9970
154c29519
hex3444cde

54807774 has 48 divisors (see below), whose sum is σ = 128162448. Its totient is φ = 15579648.

The previous prime is 54807769. The next prime is 54807791. The reversal of 54807774 is 47770845.

54807774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81102 + ... + 81774.

It is an arithmetic number, because the mean of its divisors is an integer number (2670051).

Almost surely, 254807774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54807774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64081224).

54807774 is an abundant number, since it is smaller than the sum of its proper divisors (73354674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54807774 is a wasteful number, since it uses less digits than its factorization.

54807774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 54807774 is about 7403.2272692387. The cubic root of 54807774 is about 379.8516826535.

The spelling of 54807774 in words is "fifty-four million, eight hundred seven thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 277 294 554 673 831 1346 1662 1939 2019 3878 4038 4711 5817 9422 11634 13573 14133 27146 28266 32977 40719 65954 81438 98931 186421 197862 372842 559263 1118526 1304947 2609894 3914841 7829682 9134629 18269258 27403887 54807774