55990887348 has 96 divisors (see below), whose sum is σ = 143305989120. Its totient is φ = 16873920000.

The previous prime is 55990887343. The next prime is 55990887349. The reversal of 55990887348 is 84378809955.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55990887343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20059833 + ... + 20062623.

It is an arithmetic number, because the mean of its divisors is an integer number (1492770720).

Almost surely, 2^55990887348 is an apocalyptic number.

It is an amenable number.

55990887348 is an abundant number, since it is smaller than the sum of its proper divisors (87315101772).

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

55990887348 is a wasteful number, since it uses less digits than its factorization.

55990887348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 55990887348 in words is "fifty-five billion, nine hundred ninety million, eight hundred eighty-seven thousand, three hundred forty-eight".