55010743220 has 48 divisors (see below), whose sum is σ = 119564318160. Its totient is φ = 21235178496.

The previous prime is 55010743201. The next prime is 55010743259. The reversal of 55010743220 is 2234701055.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2090501284 + 52920241936 = 45722^2 + 230044^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 1226714 + ... + 1270766.

It is an arithmetic number, because the mean of its divisors is an integer number (2490923295).

Almost surely, 2^55010743220 is an apocalyptic number.

It is an amenable number.

55010743220 is an abundant number, since it is smaller than the sum of its proper divisors (64553574940).

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

55010743220 is a wasteful number, since it uses less digits than its factorization.

55010743220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46244 (or 46242 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 55010743220 in words is "fifty-five billion, ten million, seven hundred forty-three thousand, two hundred twenty".