55045515320 has 32 divisors (see below), whose sum is σ = 124039840320. Its totient is φ = 21984885120.

The previous prime is 55045515311. The next prime is 55045515389. The reversal of 55045515320 is 2351554055.

It is a super-3 number, since 3×55045515320³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014512 + ... + 1067391.

It is an arithmetic number, because the mean of its divisors is an integer number (3876245010).

Almost surely, 2^55045515320 is an apocalyptic number.

It is an amenable number.

55045515320 is an abundant number, since it is smaller than the sum of its proper divisors (68994325000).

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

55045515320 is a wasteful number, since it uses less digits than its factorization.

55045515320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082575 (or 2082571 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55045515320 in words is "fifty-five billion, forty-five million, five hundred fifteen thousand, three hundred twenty".