55747451672 has 16 divisors (see below), whose sum is σ = 114028878600. Its totient is φ = 25339750720.

The previous prime is 55747451611. The next prime is 55747451677. The reversal of 55747451672 is 27615474755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55747451677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316746797 + ... + 316746972.

Almost surely, 2^55747451672 is an apocalyptic number.

It is an amenable number.

55747451672 is an abundant number, since it is smaller than the sum of its proper divisors (58281426928).

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

55747451672 is a wasteful number, since it uses less digits than its factorization.

55747451672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633493786 (or 633493782 counting only the distinct ones).

The product of its digits is 8232000, while the sum is 53.

The spelling of 55747451672 in words is "fifty-five billion, seven hundred forty-seven million, four hundred fifty-one thousand, six hundred seventy-two".