57105155 has 8 divisors (see below), whose sum is σ = 68770032. Its totient is φ = 45521568.

The previous prime is 57105119. The next prime is 57105173. The reversal of 57105155 is 55150175.

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 57105155 - 2¹⁸ = 56843011 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18764 + ... + 21593.

It is an arithmetic number, because the mean of its divisors is an integer number (8596254).

Almost surely, 2^57105155 is an apocalyptic number.

57105155 is a deficient number, since it is larger than the sum of its proper divisors (11664877).

57105155 is a wasteful number, since it uses less digits than its factorization.

57105155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40645.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 57105155 is about 7556.7952863631. The cubic root of 57105155 is about 385.0866280581.

The spelling of 57105155 in words is "fifty-seven million, one hundred five thousand, one hundred fifty-five".