53151223680 has 128 divisors (see below), whose sum is σ = 188243978400. Its totient is φ = 14173655040.

The previous prime is 53151223663. The next prime is 53151223691. The reversal of 53151223680 is 8632215135.

53151223680 is a `hidden beast` number, since 5 + 31 + 512 + 2 + 36 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520661 + ... + 1555220.

Almost surely, 2^53151223680 is an apocalyptic number.

It is an amenable number.

53151223680 is an abundant number, since it is smaller than the sum of its proper divisors (135092754720).

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

53151223680 is a wasteful number, since it uses less digits than its factorization.

53151223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075909 (or 3075891 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 53151223680 in words is "fifty-three billion, one hundred fifty-one million, two hundred twenty-three thousand, six hundred eighty".