55312577407232 has 18 divisors (see below), whose sum is σ = 110409090059478. Its totient is φ = 27656288703488.

The previous prime is 55312577407211. The next prime is 55312577407237. The reversal of 55312577407232 is 23270477521355.

It can be written as a sum of positive squares in only one way, i.e., 52934122541056 + 2378454866176 = 7275584^2 + 1542224^2 .

It is not an unprimeable number, because it can be changed into a prime (55312577407237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108032377493 + ... + 108032378004.

Almost surely, 2^{55312577407232} is an apocalyptic number.

It is an amenable number.

55312577407232 is a deficient number, since it is larger than the sum of its proper divisors (55096512652246).

55312577407232 is an equidigital number, since it uses as much as digits as its factorization.

55312577407232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216064755513 (or 216064755499 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 55312577407232 in words is "fifty-five trillion, three hundred twelve billion, five hundred seventy-seven million, four hundred seven thousand, two hundred thirty-two".