52906432690 has 32 divisors (see below), whose sum is σ = 95820558336. Its totient is φ = 21031788480.

The previous prime is 52906432681. The next prime is 52906432723. The reversal of 52906432690 is 9623460925.

It is a super-2 number, since 2×52906432690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52906432690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5986575 + ... + 5995405.

It is an arithmetic number, because the mean of its divisors is an integer number (2994392448).

Almost surely, 2^52906432690 is an apocalyptic number.

52906432690 is a deficient number, since it is larger than the sum of its proper divisors (42914125646).

52906432690 is a wasteful number, since it uses less digits than its factorization.

52906432690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12474.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 52906432690 in words is "fifty-two billion, nine hundred six million, four hundred thirty-two thousand, six hundred ninety".