55572473328 has 40 divisors (see below), whose sum is σ = 144956043648. Its totient is φ = 18344309952.

The previous prime is 55572473321. The next prime is 55572473347. The reversal of 55572473328 is 82337427555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55572473321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615250 + ... + 5625137.

Almost surely, 2^55572473328 is an apocalyptic number.

It is an amenable number.

55572473328 is an abundant number, since it is smaller than the sum of its proper divisors (89383570320).

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

55572473328 is a wasteful number, since it uses less digits than its factorization.

55572473328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240501 (or 11240495 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 51.

The spelling of 55572473328 in words is "fifty-five billion, five hundred seventy-two million, four hundred seventy-three thousand, three hundred twenty-eight".