55872152 has 48 divisors (see below), whose sum is σ = 127182960. Its totient is φ = 22900416.

The previous prime is 55872127. The next prime is 55872161. The reversal of 55872152 is 25127855.

It is a super-2 number, since 2×55872152² = 6243394738222208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5918 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (2649645).

Almost surely, 2^55872152 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 55872152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63591480).

55872152 is an abundant number, since it is smaller than the sum of its proper divisors (71310808).

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

55872152 is a wasteful number, since it uses less digits than its factorization.

55872152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240 (or 6229 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 55872152 is about 7474.7676886978. The cubic root of 55872152 is about 382.2948665833.

The spelling of 55872152 in words is "fifty-five million, eight hundred seventy-two thousand, one hundred fifty-two".