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57954087 = 3261105563
BaseRepresentation
bin1101110100010…
…0111100100111
311001001101001200
43131010330213
5104314012322
65430053543
71302413232
oct335047447
9131041050
1057954087
112a793844
12174aa2b3
13c011979
1479a8419
15514b8ac
hex3744f27

57954087 has 12 divisors (see below), whose sum is σ = 85084584. Its totient is φ = 38002320.

The previous prime is 57954079. The next prime is 57954109. The reversal of 57954087 is 78045975.

It is not a de Polignac number, because 57954087 - 23 = 57954079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57954287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52233 + ... + 53330.

It is an arithmetic number, because the mean of its divisors is an integer number (7090382).

Almost surely, 257954087 is an apocalyptic number.

57954087 is a deficient number, since it is larger than the sum of its proper divisors (27130497).

57954087 is a wasteful number, since it uses less digits than its factorization.

57954087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105630 (or 105627 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 57954087 is about 7612.7581729620. The cubic root of 57954087 is about 386.9854971229.

The spelling of 57954087 in words is "fifty-seven million, nine hundred fifty-four thousand, eighty-seven".

Divisors: 1 3 9 61 183 549 105563 316689 950067 6439343 19318029 57954087