55417762528 has 96 divisors (see below), whose sum is σ = 122345282304. Its totient is φ = 24572393472.

The previous prime is 55417762523. The next prime is 55417762531. The reversal of 55417762528 is 82526771455.

It is a super-2 number, since 2×55417762528² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55417762523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805251 + ... + 871357.

It is an arithmetic number, because the mean of its divisors is an integer number (1274430024).

Almost surely, 2^55417762528 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 55417762528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61172641152).

55417762528 is an abundant number, since it is smaller than the sum of its proper divisors (66927519776).

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

55417762528 is a wasteful number, since it uses less digits than its factorization.

55417762528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66224 (or 66216 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The spelling of 55417762528 in words is "fifty-five billion, four hundred seventeen million, seven hundred sixty-two thousand, five hundred twenty-eight".