55149192 has 48 divisors (see below), whose sum is σ = 170701440. Its totient is φ = 15756768.

The previous prime is 55149181. The next prime is 55149209. The reversal of 55149192 is 29194155.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54208 + ... + 55215.

It is an arithmetic number, because the mean of its divisors is an integer number (3556280).

Almost surely, 2^55149192 is an apocalyptic number.

It is an amenable number.

55149192 is an abundant number, since it is smaller than the sum of its proper divisors (115552248).

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

55149192 is a wasteful number, since it uses less digits than its factorization.

55149192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109442 (or 109435 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 55149192 is about 7426.2501977781. The cubic root of 55149192 is about 380.6387962838.

It can be divided in two parts, 5514 and 9192, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 55149192 in words is "fifty-five million, one hundred forty-nine thousand, one hundred ninety-two".