55312587458 has 16 divisors (see below), whose sum is σ = 85836258360. Its totient is φ = 26700643200.

The previous prime is 55312587433. The next prime is 55312587467. The reversal of 55312587458 is 85478521355.

It can be written as a sum of positive squares in 4 ways, for example, as 38207348089 + 17105239369 = 195467^2 + 130787^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019948 + ... + 1072808.

Almost surely, 2^55312587458 is an apocalyptic number.

55312587458 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55312587458 is a deficient number, since it is larger than the sum of its proper divisors (30523670902).

55312587458 is a wasteful number, since it uses less digits than its factorization.

55312587458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70933.

The product of its digits is 6720000, while the sum is 53.

The spelling of 55312587458 in words is "fifty-five billion, three hundred twelve million, five hundred eighty-seven thousand, four hundred fifty-eight".