56767516764990 has 64 divisors (see below), whose sum is σ = 136855674964800. Its totient is φ = 15069840897024.

The previous prime is 56767516764977. The next prime is 56767516764991. The reversal of 56767516764990 is 9946761576765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56767516764991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50064364 + ... + 51185696.

It is an arithmetic number, because the mean of its divisors is an integer number (2138369921325).

Almost surely, 2^{56767516764990} is an apocalyptic number.

56767516764990 is an abundant number, since it is smaller than the sum of its proper divisors (80088158199810).

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

56767516764990 is a wasteful number, since it uses less digits than its factorization.

56767516764990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128941.

The product of its (nonzero) digits is 3600676800, while the sum is 78.

The spelling of 56767516764990 in words is "fifty-six trillion, seven hundred sixty-seven billion, five hundred sixteen million, seven hundred sixty-four thousand, nine hundred ninety".