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57055154 = 2132194429
BaseRepresentation
bin1101100110100…
…1011110110010
310222100200221212
43121221132302
5104101231104
65354520122
71261650362
oct331513662
9128320855
1057055154
112a22a422
1217136042
13ba88760
1478129a2
15502036e
hex36697b2

57055154 has 8 divisors (see below), whose sum is σ = 92166060. Its totient is φ = 26333136.

The previous prime is 57055153. The next prime is 57055171. The reversal of 57055154 is 45155075.

It can be written as a sum of positive squares in 2 ways, for example, as 48511225 + 8543929 = 6965^2 + 2923^2 .

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

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 57055154.

It is not an unprimeable number, because it can be changed into a prime (57055153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097189 + ... + 1097240.

Almost surely, 257055154 is an apocalyptic number.

57055154 is a deficient number, since it is larger than the sum of its proper divisors (35110906).

57055154 is a wasteful number, since it uses less digits than its factorization.

57055154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194444.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 57055154 is about 7553.4862149871. The cubic root of 57055154 is about 384.9742019032.

The spelling of 57055154 in words is "fifty-seven million, fifty-five thousand, one hundred fifty-four".

Divisors: 1 2 13 26 2194429 4388858 28527577 57055154