55073597064 has 64 divisors (see below), whose sum is σ = 138410519040. Its totient is φ = 18261196800.

The previous prime is 55073597063. The next prime is 55073597071. The reversal of 55073597064 is 46079537055.

It is a junction number, because it is equal to n+sod(n) for n = 55073596998 and 55073597016.

It is not an unprimeable number, because it can be changed into a prime (55073597063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762089 + ... + 4773639.

It is an arithmetic number, because the mean of its divisors is an integer number (2162664360).

Almost surely, 2^55073597064 is an apocalyptic number.

It is an amenable number.

55073597064 is an abundant number, since it is smaller than the sum of its proper divisors (83336921976).

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

55073597064 is a wasteful number, since it uses less digits than its factorization.

55073597064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590 (or 12586 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 51.

The spelling of 55073597064 in words is "fifty-five billion, seventy-three million, five hundred ninety-seven thousand, sixty-four".