57000620 has 24 divisors (see below), whose sum is σ = 120329664. Its totient is φ = 22680576.

The previous prime is 57000617. The next prime is 57000637. The reversal of 57000620 is 2600075.

57000620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 57000592 and 57000601.

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, 3524 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (5013736).

Almost surely, 2^57000620 is an apocalyptic number.

It is an amenable number.

57000620 is an abundant number, since it is smaller than the sum of its proper divisors (63329044).

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

57000620 is a wasteful number, since it uses less digits than its factorization.

57000620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14969 (or 14967 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 57000620 is about 7549.8754956622. The cubic root of 57000620 is about 384.8515084856.

Adding to 57000620 its reverse (2600075), we get a palindrome (59600695).

The spelling of 57000620 in words is "fifty-seven million, six hundred twenty", and thus it is an aban number.