55285665660732 has 48 divisors (see below), whose sum is σ = 139048223842080. Its totient is φ = 16995634975488.

The previous prime is 55285665660721. The next prime is 55285665660737. The reversal of 55285665660732 is 23706656658255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55285665660737) 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, 159608463 + ... + 159954470.

It is an arithmetic number, because the mean of its divisors is an integer number (2896837996710).

Almost surely, 2^{55285665660732} is an apocalyptic number.

55285665660732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55285665660732 is an abundant number, since it is smaller than the sum of its proper divisors (83762558181348).

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

55285665660732 is a wasteful number, since it uses less digits than its factorization.

55285665660732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319564062 (or 319564060 counting only the distinct ones).

The product of its (nonzero) digits is 544320000, while the sum is 66.

The spelling of 55285665660732 in words is "fifty-five trillion, two hundred eighty-five billion, six hundred sixty-five million, six hundred sixty thousand, seven hundred thirty-two".