55802894724 has 72 divisors (see below), whose sum is σ = 142971279360. Its totient is φ = 18348999552.

The previous prime is 55802894681. The next prime is 55802894729. The reversal of 55802894724 is 42749820855.

55802894724 is a `hidden beast` number, since 558 + 0 + 2 + 89 + 4 + 7 + 2 + 4 = 666.

55802894724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55802894724² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55802894729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3384669 + ... + 3401115.

Almost surely, 2^55802894724 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 55802894724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71485639680).

55802894724 is an abundant number, since it is smaller than the sum of its proper divisors (87168384636).

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

55802894724 is a wasteful number, since it uses less digits than its factorization.

55802894724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729 (or 17724 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 55802894724 in words is "fifty-five billion, eight hundred two million, eight hundred ninety-four thousand, seven hundred twenty-four".