57155235 has 8 divisors (see below), whose sum is σ = 91448400. Its totient is φ = 30482784.

The previous prime is 57155191. The next prime is 57155239. The reversal of 57155235 is 53255175.

57155235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57155235 - 2¹⁰ = 57154211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57155196 and 57155205.

It is not an unprimeable number, because it can be changed into a prime (57155239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905160 + ... + 1905189.

It is an arithmetic number, because the mean of its divisors is an integer number (11431050).

Almost surely, 2^57155235 is an apocalyptic number.

57155235 is a deficient number, since it is larger than the sum of its proper divisors (34293165).

57155235 is a wasteful number, since it uses less digits than its factorization.

57155235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810357.

The product of its digits is 26250, while the sum is 33.

The square root of 57155235 is about 7560.1081341473. The cubic root of 57155235 is about 385.1991660799.

The spelling of 57155235 in words is "fifty-seven million, one hundred fifty-five thousand, two hundred thirty-five".