53558915344 has 60 divisors (see below), whose sum is σ = 120771262332. Its totient is φ = 22912890880.

The previous prime is 53558915341. The next prime is 53558915351. The reversal of 53558915344 is 44351985535.

It can be written as a sum of positive squares in 2 ways, for example, as 39204000000 + 14354915344 = 198000^2 + 119812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53558915291 and 53558915300.

It is not an unprimeable number, because it can be changed into a prime (53558915341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780757 + ... + 846580.

Almost surely, 2^53558915344 is an apocalyptic number.

It is an amenable number.

53558915344 is an abundant number, since it is smaller than the sum of its proper divisors (67212346988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53558915344 is a wasteful number, since it uses less digits than its factorization.

53558915344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627384 (or 1627367 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 52.

The spelling of 53558915344 in words is "fifty-three billion, five hundred fifty-eight million, nine hundred fifteen thousand, three hundred forty-four".