55514232400 has 120 divisors (see below), whose sum is σ = 145623143808. Its totient is φ = 20169600000.

The previous prime is 55514232353. The next prime is 55514232439. The reversal of 55514232400 is 423241555.

It is a super-2 number, since 2×55514232400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5807625 + ... + 5817175.

Almost surely, 2^55514232400 is an apocalyptic number.

55514232400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55514232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72811571904).

55514232400 is an abundant number, since it is smaller than the sum of its proper divisors (90108911408).

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

55514232400 is a wasteful number, since it uses less digits than its factorization.

55514232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901 (or 10890 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 55514232400 its reverse (423241555), we get a palindrome (55937473955).

The spelling of 55514232400 in words is "fifty-five billion, five hundred fourteen million, two hundred thirty-two thousand, four hundred".