55647072373 has 16 divisors (see below), whose sum is σ = 58137312640. Its totient is φ = 53212458816.

The previous prime is 55647072337. The next prime is 55647072401. The reversal of 55647072373 is 37327074655.

It is a cyclic number.

It is not a de Polignac number, because 55647072373 - 2³³ = 47057137781 is a prime.

It is a super-2 number, since 2×55647072373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55647072773) 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, 1062715 + ... + 1113847.

It is an arithmetic number, because the mean of its divisors is an integer number (3633582040).

Almost surely, 2^55647072373 is an apocalyptic number.

It is an amenable number.

55647072373 is a deficient number, since it is larger than the sum of its proper divisors (2490240267).

55647072373 is a wasteful number, since it uses less digits than its factorization.

55647072373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51676.

The product of its (nonzero) digits is 3704400, while the sum is 49.

The spelling of 55647072373 in words is "fifty-five billion, six hundred forty-seven million, seventy-two thousand, three hundred seventy-three".