55302515225 has 24 divisors (see below), whose sum is σ = 70237379520. Its totient is φ = 43181709120.

The previous prime is 55302515183. The next prime is 55302515237. The reversal of 55302515225 is 52251520355.

It is not a de Polignac number, because 55302515225 - 2¹² = 55302511129 is a prime.

It is a super-2 number, since 2×55302515225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31124 + ... + 334026.

It is an arithmetic number, because the mean of its divisors is an integer number (2926557480).

Almost surely, 2^55302515225 is an apocalyptic number.

It is an amenable number.

55302515225 is a deficient number, since it is larger than the sum of its proper divisors (14934864295).

55302515225 is a wasteful number, since it uses less digits than its factorization.

55302515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303089 (or 303084 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55302515225 in words is "fifty-five billion, three hundred two million, five hundred fifteen thousand, two hundred twenty-five".