53508479762 has 4 divisors (see below), whose sum is σ = 80262719646. Its totient is φ = 26754239880.

The previous prime is 53508479749. The next prime is 53508479777. The reversal of 53508479762 is 26797480535.

53508479762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 231319²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53508479761 + 1 = 231319^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53508479698 and 53508479707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13377119939 + ... + 13377119942.

Almost surely, 2^53508479762 is an apocalyptic number.

53508479762 is a deficient number, since it is larger than the sum of its proper divisors (26754239884).

53508479762 is a wasteful number, since it uses less digits than its factorization.

53508479762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26754239883.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 53508479762 in words is "fifty-three billion, five hundred eight million, four hundred seventy-nine thousand, seven hundred sixty-two".