57611020 has 24 divisors (see below), whose sum is σ = 124887168. Its totient is φ = 22300800.

The previous prime is 57611017. The next prime is 57611039. The reversal of 57611020 is 2011675.

57611020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57610982 and 57611000.

It is an unprimeable number.

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, 45841 + ... + 47080.

It is an arithmetic number, because the mean of its divisors is an integer number (5203632).

Almost surely, 2^57611020 is an apocalyptic number.

It is an amenable number.

57611020 is an abundant number, since it is smaller than the sum of its proper divisors (67276148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57611020 is a wasteful number, since it uses less digits than its factorization.

57611020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92961 (or 92959 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 57611020 is about 7590.1923559288. The cubic root of 57611020 is about 386.2203811908.

Adding to 57611020 its reverse (2011675), we get a palindrome (59622695).

The spelling of 57611020 in words is "fifty-seven million, six hundred eleven thousand, twenty".