53320164624 has 80 divisors (see below), whose sum is σ = 162051503040. Its totient is φ = 16727892480.

The previous prime is 53320164587. The next prime is 53320164637. The reversal of 53320164624 is 42646102335.

53320164624 is a `hidden beast` number, since 5 + 3 + 3 + 2 + 0 + 1 + 646 + 2 + 4 = 666.

It is a super-2 number, since 2×53320164624² (a number of 22 digits) contains 22 as substring.

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

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, 3622842 + ... + 3637529.

It is an arithmetic number, because the mean of its divisors is an integer number (2025643788).

Almost surely, 2^53320164624 is an apocalyptic number.

53320164624 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53320164624 is an abundant number, since it is smaller than the sum of its proper divisors (108731338416).

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

53320164624 is a wasteful number, since it uses less digits than its factorization.

53320164624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260405 (or 7260393 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 53320164624 its reverse (42646102335), we get a palindrome (95966266959).

The spelling of 53320164624 in words is "fifty-three billion, three hundred twenty million, one hundred sixty-four thousand, six hundred twenty-four".