55054412620 has 24 divisors (see below), whose sum is σ = 122415106464. Its totient is φ = 20726366976.

The previous prime is 55054412593. The next prime is 55054412669. The reversal of 55054412620 is 2621445055.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 80962032 + ... + 80962711.

It is an arithmetic number, because the mean of its divisors is an integer number (5100629436).

Almost surely, 2^55054412620 is an apocalyptic number.

It is an amenable number.

55054412620 is an abundant number, since it is smaller than the sum of its proper divisors (67360693844).

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

55054412620 is a wasteful number, since it uses less digits than its factorization.

55054412620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161924769 (or 161924767 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 55054412620 its reverse (2621445055), we get a palindrome (57675857675).

The spelling of 55054412620 in words is "fifty-five billion, fifty-four million, four hundred twelve thousand, six hundred twenty".