53155551612 has 24 divisors (see below), whose sum is σ = 124049763712. Its totient is φ = 17715639600.

The previous prime is 53155551607. The next prime is 53155551667. The reversal of 53155551612 is 21615555135.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282064 + ... + 431127.

Almost surely, 2^53155551612 is an apocalyptic number.

It is an amenable number.

53155551612 is an abundant number, since it is smaller than the sum of its proper divisors (70894212100).

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

53155551612 is a wasteful number, since it uses less digits than its factorization.

53155551612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719409 (or 719407 counting only the distinct ones).

The product of its digits is 112500, while the sum is 39.

The spelling of 53155551612 in words is "fifty-three billion, one hundred fifty-five million, five hundred fifty-one thousand, six hundred twelve".