54990659696392 has 128 divisors (see below), whose sum is σ = 121560939578880. Its totient is φ = 22837489920000.

The previous prime is 54990659696377. The next prime is 54990659696393. The reversal of 54990659696392 is 29369695609945.

It is not an unprimeable number, because it can be changed into a prime (54990659696393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54516142 + ... + 55515682.

It is an arithmetic number, because the mean of its divisors is an integer number (949694840460).

Almost surely, 2^{54990659696392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54990659696392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60780469789440).

54990659696392 is an abundant number, since it is smaller than the sum of its proper divisors (66570279882488).

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

54990659696392 is a wasteful number, since it uses less digits than its factorization.

54990659696392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999863 (or 999859 counting only the distinct ones).

The product of its (nonzero) digits is 7652750400, while the sum is 82.

The spelling of 54990659696392 in words is "fifty-four trillion, nine hundred ninety billion, six hundred fifty-nine million, six hundred ninety-six thousand, three hundred ninety-two".