52461278007780 has 48 divisors (see below), whose sum is σ = 146891970739584. Its totient is φ = 13989636771840.

The previous prime is 52461278007757. The next prime is 52461278007781. The reversal of 52461278007780 is 8770087216425.

It is a self number, because there is not a number n which added to its sum of digits gives 52461278007780.

It is not an unprimeable number, because it can be changed into a prime (52461278007781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27167745 + ... + 29034615.

It is an arithmetic number, because the mean of its divisors is an integer number (3060249390408).

Almost surely, 2^{52461278007780} is an apocalyptic number.

It is an amenable number.

52461278007780 is an abundant number, since it is smaller than the sum of its proper divisors (94430692731804).

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

52461278007780 is a wasteful number, since it uses less digits than its factorization.

52461278007780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335236 (or 2335234 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 52461278007780 in words is "fifty-two trillion, four hundred sixty-one billion, two hundred seventy-eight million, seven thousand, seven hundred eighty".