55346522220 has 72 divisors (see below), whose sum is σ = 183146680080. Its totient is φ = 13417338240.

The previous prime is 55346522197. The next prime is 55346522221. The reversal of 55346522220 is 2222564355.

55346522220 is a `hidden beast` number, since 553 + 4 + 65 + 2 + 22 + 20 = 666.

55346522220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55346522221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13974415 + ... + 13978374.

It is an arithmetic number, because the mean of its divisors is an integer number (2543703890).

Almost surely, 2^55346522220 is an apocalyptic number.

It is an amenable number.

55346522220 is an abundant number, since it is smaller than the sum of its proper divisors (127800157860).

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

55346522220 is a wasteful number, since it uses less digits than its factorization.

55346522220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27952815 (or 27952810 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 55346522220 in words is "fifty-five billion, three hundred forty-six million, five hundred twenty-two thousand, two hundred twenty".