56511202542 has 16 divisors (see below), whose sum is σ = 118970952960. Its totient is φ = 17845642872.

The previous prime is 56511202537. The next prime is 56511202543. The reversal of 56511202542 is 24520211565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511202543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247856038 + ... + 247856265.

It is an arithmetic number, because the mean of its divisors is an integer number (7435684560).

Almost surely, 2^56511202542 is an apocalyptic number.

56511202542 is an abundant number, since it is smaller than the sum of its proper divisors (62459750418).

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

56511202542 is a wasteful number, since it uses less digits than its factorization.

56511202542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495712327.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 56511202542 in words is "fifty-six billion, five hundred eleven million, two hundred two thousand, five hundred forty-two".