55010172115720 has 64 divisors (see below), whose sum is σ = 124877005752240. Its totient is φ = 21807808512000.

The previous prime is 55010172115601. The next prime is 55010172115733. The reversal of 55010172115720 is 2751127101055.

It can be written as a sum of positive squares in 8 ways, for example, as 6856833636 + 55003315282084 = 82806^2 + 7416422^2 .

It is a super-2 number, since 2×55010172115720² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55010172115720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64942920 + ... + 65784520.

Almost surely, 2^{55010172115720} is an apocalyptic number.

It is an amenable number.

55010172115720 is an abundant number, since it is smaller than the sum of its proper divisors (69866833636520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55010172115720 is a wasteful number, since it uses less digits than its factorization.

55010172115720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856186 (or 856182 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 37.

Adding to 55010172115720 its reverse (2751127101055), we get a palindrome (57761299216775).

The spelling of 55010172115720 in words is "fifty-five trillion, ten billion, one hundred seventy-two million, one hundred fifteen thousand, seven hundred twenty".