55260055220 has 24 divisors (see below), whose sum is σ = 116116219464. Its totient is φ = 22090669056.

The previous prime is 55260055199. The next prime is 55260055247. The reversal of 55260055220 is 2255006255.

55260055220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 67010596 + 55193044624 = 8186^2 + 234932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800597 + ... + 866876.

It is an arithmetic number, because the mean of its divisors is an integer number (4838175811).

Almost surely, 2^55260055220 is an apocalyptic number.

It is an amenable number.

55260055220 is an abundant number, since it is smaller than the sum of its proper divisors (60856164244).

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

55260055220 is a wasteful number, since it uses less digits than its factorization.

55260055220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669139 (or 1669137 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 55260055220 in words is "fifty-five billion, two hundred sixty million, fifty-five thousand, two hundred twenty".