47551179392 has 32 divisors (see below), whose sum is σ = 96518253780. Its totient is φ = 23326990336.

The previous prime is 47551179371. The next prime is 47551179439. The reversal of 47551179392 is 29397115574.

It can be written as a sum of positive squares in 2 ways, for example, as 37119416896 + 10431762496 = 192664^2 + 102136^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×47551179392² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497873 + ... + 3511440.

Almost surely, 2^47551179392 is an apocalyptic number.

It is an amenable number.

47551179392 is an abundant number, since it is smaller than the sum of its proper divisors (48967074388).

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

47551179392 is an equidigital number, since it uses as much as digits as its factorization.

47551179392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009380 (or 7009368 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 53.

The spelling of 47551179392 in words is "forty-seven billion, five hundred fifty-one million, one hundred seventy-nine thousand, three hundred ninety-two".