57630535636 has 24 divisors (see below), whose sum is σ = 106830047016. Its totient is φ = 27109063680.

The previous prime is 57630535609. The next prime is 57630535667. The reversal of 57630535636 is 63653503675.

It can be written as a sum of positive squares in 4 ways, for example, as 5939784900 + 51690750736 = 77070^2 + 227356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57630535636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 339586.

It is an arithmetic number, because the mean of its divisors is an integer number (4451251959).

Almost surely, 2^57630535636 is an apocalyptic number.

It is an amenable number.

57630535636 is a deficient number, since it is larger than the sum of its proper divisors (49199511380).

57630535636 is a wasteful number, since it uses less digits than its factorization.

57630535636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349659 (or 349657 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 49.

The spelling of 57630535636 in words is "fifty-seven billion, six hundred thirty million, five hundred thirty-five thousand, six hundred thirty-six".