55501465572270 has 128 divisors (see below), whose sum is σ = 154664380661760. Its totient is φ = 14322958682400.

The previous prime is 55501465572263. The next prime is 55501465572271. The reversal of 55501465572270 is 7227556410555.

55501465572270 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 1 + 4 + 65 + 572 + 2 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501465572271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40254126 + ... + 41610065.

It is an arithmetic number, because the mean of its divisors is an integer number (1208315473920).

Almost surely, 2^{55501465572270} is an apocalyptic number.

55501465572270 is an abundant number, since it is smaller than the sum of its proper divisors (99162915089490).

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

55501465572270 is an equidigital number, since it uses as much as digits as its factorization.

55501465572270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81864250 (or 81864232 counting only the distinct ones).

The product of its (nonzero) digits is 14700000, while the sum is 54.

The spelling of 55501465572270 in words is "fifty-five trillion, five hundred one billion, four hundred sixty-five million, five hundred seventy-two thousand, two hundred seventy".