55213015325 has 48 divisors (see below), whose sum is σ = 78324153600. Its totient is φ = 38271916800.

The previous prime is 55213015301. The next prime is 55213015357. The reversal of 55213015325 is 52351031255.

It is not a de Polignac number, because 55213015325 - 2⁸ = 55213015069 is a prime.

It is a super-2 number, since 2×55213015325² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55213015291 and 55213015300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632060 + ... + 714090.

It is an arithmetic number, because the mean of its divisors is an integer number (1631753200).

Almost surely, 2^55213015325 is an apocalyptic number.

It is an amenable number.

55213015325 is a deficient number, since it is larger than the sum of its proper divisors (23111138275).

55213015325 is a wasteful number, since it uses less digits than its factorization.

55213015325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82182 (or 82177 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 55213015325 in words is "fifty-five billion, two hundred thirteen million, fifteen thousand, three hundred twenty-five".