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54777955 = 529377779
BaseRepresentation
bin1101000011110…
…1100001100011
310211002000020011
43100331201203
5103010343310
65234025351
71233414331
oct320754143
9124060204
1054777955
1128a14541
1216418257
13b46c0bb
1473bcb51
154c2078a
hex343d863

54777955 has 8 divisors (see below), whose sum is σ = 68000400. Its totient is φ = 42311136.

The previous prime is 54777953. The next prime is 54777967. The reversal of 54777955 is 55977745.

It is a happy number.

54777955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54777955 - 21 = 54777953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54777899 and 54777908.

It is not an unprimeable number, because it can be changed into a prime (54777953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188745 + ... + 189034.

It is an arithmetic number, because the mean of its divisors is an integer number (8500050).

Almost surely, 254777955 is an apocalyptic number.

54777955 is a deficient number, since it is larger than the sum of its proper divisors (13222445).

54777955 is a wasteful number, since it uses less digits than its factorization.

54777955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377813.

The product of its digits is 1543500, while the sum is 49.

The square root of 54777955 is about 7401.2130762464. The cubic root of 54777955 is about 379.7827821351.

The spelling of 54777955 in words is "fifty-four million, seven hundred seventy-seven thousand, nine hundred fifty-five".

Divisors: 1 5 29 145 377779 1888895 10955591 54777955