53496391851 has 24 divisors (see below), whose sum is σ = 90113784800. Its totient is φ = 30569365008.

The previous prime is 53496391831. The next prime is 53496391859. The reversal of 53496391851 is 15819369435.

53496391851 is a `hidden beast` number, since 534 + 96 + 3 + 9 + 18 + 5 + 1 = 666.

It is not a de Polignac number, because 53496391851 - 2⁷ = 53496391723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53496391859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8661700 + ... + 8667873.

Almost surely, 2^53496391851 is an apocalyptic number.

53496391851 is a deficient number, since it is larger than the sum of its proper divisors (36617392949).

53496391851 is a wasteful number, since it uses less digits than its factorization.

53496391851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17329600 (or 17329583 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 53496391851 in words is "fifty-three billion, four hundred ninety-six million, three hundred ninety-one thousand, eight hundred fifty-one".