55343131625 has 8 divisors (see below), whose sum is σ = 69068228424. Its totient is φ = 44274505200.

The previous prime is 55343131583. The next prime is 55343131637. The reversal of 55343131625 is 52613134355.

It can be written as a sum of positive squares in 4 ways, for example, as 150087001 + 55193044624 = 12251^2 + 234932^2 .

It is not a de Polignac number, because 55343131625 - 2²⁶ = 55276022761 is a prime.

It is a Duffinian 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, 221372402 + ... + 221372651.

It is an arithmetic number, because the mean of its divisors is an integer number (8633528553).

Almost surely, 2^55343131625 is an apocalyptic number.

It is an amenable number.

55343131625 is a deficient number, since it is larger than the sum of its proper divisors (13725096799).

55343131625 is an equidigital number, since it uses as much as digits as its factorization.

55343131625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442745068 (or 442745058 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The spelling of 55343131625 in words is "fifty-five billion, three hundred forty-three million, one hundred thirty-one thousand, six hundred twenty-five".