57553970 has 16 divisors (see below), whose sum is σ = 103685400. Its totient is φ = 23001984.

The previous prime is 57553967. The next prime is 57553973. The reversal of 57553970 is 7935575.

It is a happy number.

57553970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57553967) and next prime (57553973).

It can be written as a sum of positive squares in 4 ways, for example, as 56595529 + 958441 = 7523^2 + 979^2 .

It is not an unprimeable number, because it can be changed into a prime (57553973) 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, 18014 + ... + 20966.

Almost surely, 2^57553970 is an apocalyptic number.

57553970 is a deficient number, since it is larger than the sum of its proper divisors (46131430).

57553970 is a wasteful number, since it uses less digits than its factorization.

57553970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 57553970 is about 7586.4332858070. The cubic root of 57553970 is about 386.0928526389.

It can be divided in two parts, 575 and 53970, that added together give a palindrome (54545).

The spelling of 57553970 in words is "fifty-seven million, five hundred fifty-three thousand, nine hundred seventy".