53691506435 has 32 divisors (see below), whose sum is σ = 74459673600. Its totient is φ = 36406516608.

The previous prime is 53691506411. The next prime is 53691506443. The reversal of 53691506435 is 53460519635.

It is a happy number.

It is not a de Polignac number, because 53691506435 - 2⁸ = 53691506179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53691506435.

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, 1111649 + ... + 1158941.

It is an arithmetic number, because the mean of its divisors is an integer number (2326864800).

Almost surely, 2^53691506435 is an apocalyptic number.

53691506435 is a deficient number, since it is larger than the sum of its proper divisors (20768167165).

53691506435 is a wasteful number, since it uses less digits than its factorization.

53691506435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47667.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 53691506435 in words is "fifty-three billion, six hundred ninety-one million, five hundred six thousand, four hundred thirty-five".