55051824 has 40 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 18315328.

The previous prime is 55051817. The next prime is 55051879. The reversal of 55051824 is 42815055.

It is a junction number, because it is equal to n+sod(n) for n = 55051791 and 55051800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39589 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 2^55051824 is an apocalyptic number.

It is an amenable number.

55051824 is an abundant number, since it is smaller than the sum of its proper divisors (87439056).

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

55051824 is a wasteful number, since it uses less digits than its factorization.

55051824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 55051824 is about 7419.6916377974. The cubic root of 55051824 is about 380.4146535547.

Adding to 55051824 its reverse (42815055), we get a palindrome (97866879).

The spelling of 55051824 in words is "fifty-five million, fifty-one thousand, eight hundred twenty-four".