53212644633420 has 72 divisors (see below), whose sum is σ = 161414625219120. Its totient is φ = 14189780415360.

The previous prime is 53212644633391. The next prime is 53212644633457. The reversal of 53212644633420 is 2433644621235.

53212644633420 is a `hidden beast` number, since 5 + 3 + 2 + 1 + 2 + 6 + 4 + 4 + 633 + 4 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7336051 + ... + 12658709.

It is an arithmetic number, because the mean of its divisors is an integer number (2241869794710).

Almost surely, 2^{53212644633420} is an apocalyptic number.

It is an amenable number.

53212644633420 is an abundant number, since it is smaller than the sum of its proper divisors (108201980585700).

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

53212644633420 is a wasteful number, since it uses less digits than its factorization.

53212644633420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378215 (or 5378210 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 53212644633420 in words is "fifty-three trillion, two hundred twelve billion, six hundred forty-four million, six hundred thirty-three thousand, four hundred twenty".