55003515225 has 24 divisors (see below), whose sum is σ = 91960944480. Its totient is φ = 29005595520.

The previous prime is 55003515223. The next prime is 55003515227. The reversal of 55003515225 is 52251530055.

It is an interprime number because it is at equal distance from previous prime (55003515223) and next prime (55003515227).

It is not a de Polignac number, because 55003515225 - 2¹ = 55003515223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55003515223) 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 in 23 ways as a sum of consecutive naturals, for example, 4113439 + ... + 4126788.

It is an arithmetic number, because the mean of its divisors is an integer number (3831706020).

Almost surely, 2^55003515225 is an apocalyptic number.

It is an amenable number.

55003515225 is a deficient number, since it is larger than the sum of its proper divisors (36957429255).

55003515225 is a wasteful number, since it uses less digits than its factorization.

55003515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240329 (or 8240324 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 55003515225 in words is "fifty-five billion, three million, five hundred fifteen thousand, two hundred twenty-five".