57551146 has 4 divisors (see below), whose sum is σ = 86326722. Its totient is φ = 28775572.

The previous prime is 57551111. The next prime is 57551149. The reversal of 57551146 is 64115575.

57551146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 8059921 = 7035^2 + 2839^2 .

It is not an unprimeable number, because it can be changed into a prime (57551149) 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 as a sum of consecutive naturals, namely, 14387785 + ... + 14387788.

Almost surely, 2^57551146 is an apocalyptic number.

57551146 is a deficient number, since it is larger than the sum of its proper divisors (28775576).

57551146 is a wasteful number, since it uses less digits than its factorization.

57551146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775575.

The product of its digits is 21000, while the sum is 34.

The square root of 57551146 is about 7586.2471618054. The cubic root of 57551146 is about 386.0865377311.

The spelling of 57551146 in words is "fifty-seven million, five hundred fifty-one thousand, one hundred forty-six".