55116504 has 64 divisors (see below), whose sum is σ = 154572000. Its totient is φ = 18195840.

The previous prime is 55116493. The next prime is 55116521. The reversal of 55116504 is 40561155.

It is a happy number.

55116504 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 650 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22374 + ... + 24714.

Almost surely, 2^55116504 is an apocalyptic number.

55116504 is a gapful number since it is divisible by the number (54) 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 55116504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77286000).

55116504 is an abundant number, since it is smaller than the sum of its proper divisors (99455496).

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

55116504 is a wasteful number, since it uses less digits than its factorization.

55116504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55116504 is about 7424.0490300105. The cubic root of 55116504 is about 380.5635774117.

Adding to 55116504 its reverse (40561155), we get a palindrome (95677659).

The spelling of 55116504 in words is "fifty-five million, one hundred sixteen thousand, five hundred four".