57900055 has 4 divisors (see below), whose sum is σ = 69480072. Its totient is φ = 46320040.

The previous prime is 57900043. The next prime is 57900067. The reversal of 57900055 is 55000975.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57900043) and next prime (57900067).

It is not a de Polignac number, because 57900055 - 2¹³ = 57891863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5790001 + ... + 5790010.

It is an arithmetic number, because the mean of its divisors is an integer number (17370018).

Almost surely, 2^57900055 is an apocalyptic number.

57900055 is a deficient number, since it is larger than the sum of its proper divisors (11580017).

57900055 is a wasteful number, since it uses less digits than its factorization.

57900055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580016.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 57900055 is about 7609.2085659417. The cubic root of 57900055 is about 386.8651944085.

The spelling of 57900055 in words is "fifty-seven million, nine hundred thousand, fifty-five".