55492873920 has 336 divisors, whose sum is σ = 208549036800. Its totient is φ = 13431859200.

The previous prime is 55492873873. The next prime is 55492873939. The reversal of 55492873920 is 2937829455.

55492873920 is a `hidden beast` number, since 5 + 549 + 2 + 8 + 7 + 3 + 92 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32661231 + ... + 32662929.

Almost surely, 2^55492873920 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 55492873920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104274518400).

55492873920 is an abundant number, since it is smaller than the sum of its proper divisors (153056162880).

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

55492873920 is a wasteful number, since it uses less digits than its factorization.

55492873920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 55492873920 in words is "fifty-five billion, four hundred ninety-two million, eight hundred seventy-three thousand, nine hundred twenty".