57550955 has 32 divisors (see below), whose sum is σ = 87187968. Its totient is φ = 35424000.

The previous prime is 57550897. The next prime is 57550957. The reversal of 57550955 is 55905575.

It is not a de Polignac number, because 57550955 - 2⁶ = 57550891 is a prime.

It is a super-2 number, since 2×57550955² = 6624224842824050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57550957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31055 + ... + 32855.

It is an arithmetic number, because the mean of its divisors is an integer number (2724624).

Almost surely, 2^57550955 is an apocalyptic number.

57550955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57550955 is a deficient number, since it is larger than the sum of its proper divisors (29637013).

57550955 is a wasteful number, since it uses less digits than its factorization.

57550955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 196875, while the sum is 41.

The square root of 57550955 is about 7586.2345732254. The cubic root of 57550955 is about 386.0861106176.

The spelling of 57550955 in words is "fifty-seven million, five hundred fifty thousand, nine hundred fifty-five".