55510817604 has 192 divisors, whose sum is σ = 152258641920. Its totient is φ = 15554488320.

The previous prime is 55510817603. The next prime is 55510817611. The reversal of 55510817604 is 40671801555.

It is not an unprimeable number, because it can be changed into a prime (55510817603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31062799 + ... + 31064585.

It is an arithmetic number, because the mean of its divisors is an integer number (793013760).

Almost surely, 2^55510817604 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 55510817604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76129320960).

55510817604 is an abundant number, since it is smaller than the sum of its proper divisors (96747824316).

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

55510817604 is a wasteful number, since it uses less digits than its factorization.

55510817604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 55510817604 in words is "fifty-five billion, five hundred ten million, eight hundred seventeen thousand, six hundred four".