52451233164 has 72 divisors (see below), whose sum is σ = 145365292800. Its totient is φ = 15814418400.

The previous prime is 52451233147. The next prime is 52451233181. The reversal of 52451233164 is 46133215425.

52451233164 is a `hidden beast` number, since 52 + 4 + 512 + 3 + 31 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (52451233147) and next prime (52451233181).

It is a super-2 number, since 2×52451233164² (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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253992 + ... + 411599.

It is an arithmetic number, because the mean of its divisors is an integer number (2018962400).

Almost surely, 2^52451233164 is an apocalyptic number.

It is an amenable number.

52451233164 is an abundant number, since it is smaller than the sum of its proper divisors (92914059636).

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

52451233164 is a wasteful number, since it uses less digits than its factorization.

52451233164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665811 (or 665806 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 52451233164 its reverse (46133215425), we get a palindrome (98584448589).

The spelling of 52451233164 in words is "fifty-two billion, four hundred fifty-one million, two hundred thirty-three thousand, one hundred sixty-four".