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54801355 = 572223679
BaseRepresentation
bin1101000100001…
…1001111001011
310211010012022211
43101003033023
5103012120410
65234325551
71233542500
oct321031713
9124105284
1054801355
1128a30084
12164298b7
13b47994b
1473c74a7
154c2768a
hex34433cb

54801355 has 12 divisors (see below), whose sum is σ = 76498560. Its totient is φ = 37577904.

The previous prime is 54801343. The next prime is 54801371. The reversal of 54801355 is 55310845.

54801355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54801355 - 221 = 52704203 is a prime.

It is a super-4 number, since 4×548013554 (a number of 32 digits) contains 4444 as substring.

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 11 ways as a sum of consecutive naturals, for example, 111595 + ... + 112084.

It is an arithmetic number, because the mean of its divisors is an integer number (6374880).

Almost surely, 254801355 is an apocalyptic number.

54801355 is a deficient number, since it is larger than the sum of its proper divisors (21697205).

54801355 is a wasteful number, since it uses less digits than its factorization.

54801355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223698 (or 223691 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 54801355 is about 7402.7937293970. The cubic root of 54801355 is about 379.8368528647.

The spelling of 54801355 in words is "fifty-four million, eight hundred one thousand, three hundred fifty-five".

Divisors: 1 5 7 35 49 245 223679 1118395 1565753 7828765 10960271 54801355