55872162 has 48 divisors (see below), whose sum is σ = 123570720. Its totient is φ = 18242496.

The previous prime is 55872161. The next prime is 55872163. The reversal of 55872162 is 26127855.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55872161) and next prime (55872163).

It is not an unprimeable number, because it can be changed into a prime (55872161) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 342693 + ... + 342855.

It is an arithmetic number, because the mean of its divisors is an integer number (2574390).

Almost surely, 2^55872162 is an apocalyptic number.

55872162 is an abundant number, since it is smaller than the sum of its proper divisors (67698558).

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

55872162 is a wasteful number, since it uses less digits than its factorization.

55872162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 55872162 is about 7474.7683576148. The cubic root of 55872162 is about 382.2948893910.

The spelling of 55872162 in words is "fifty-five million, eight hundred seventy-two thousand, one hundred sixty-two".