52780252805004 has 96 divisors (see below), whose sum is σ = 125901960823296. Its totient is φ = 17205245890560.

The previous prime is 52780252804999. The next prime is 52780252805039. The reversal of 52780252805004 is 40050825208725.

It is a happy number.

It is a super-2 number, since 2×52780252805004² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76839907 + ... + 77523749.

It is an arithmetic number, because the mean of its divisors is an integer number (1311478758576).

Almost surely, 2^{52780252805004} is an apocalyptic number.

It is an amenable number.

52780252805004 is an abundant number, since it is smaller than the sum of its proper divisors (73121708018292).

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

52780252805004 is a wasteful number, since it uses less digits than its factorization.

52780252805004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684655 (or 684653 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 48.

The spelling of 52780252805004 in words is "fifty-two trillion, seven hundred eighty billion, two hundred fifty-two million, eight hundred five thousand, four".