53909480402 has 8 divisors (see below), whose sum is σ = 85620939516. Its totient is φ = 25369167232.

The previous prime is 53909480377. The next prime is 53909480423. The reversal of 53909480402 is 20408490935.

It can be written as a sum of positive squares in 2 ways, for example, as 47098114441 + 6811365961 = 217021^2 + 82531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792786443 + ... + 792786510.

Almost surely, 2^53909480402 is an apocalyptic number.

53909480402 is a deficient number, since it is larger than the sum of its proper divisors (31711459114).

53909480402 is a wasteful number, since it uses less digits than its factorization.

53909480402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585572972.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 53909480402 in words is "fifty-three billion, nine hundred nine million, four hundred eighty thousand, four hundred two".