55149595 has 8 divisors (see below), whose sum is σ = 66240000. Its totient is φ = 44079360.

The previous prime is 55149587. The next prime is 55149613. The reversal of 55149595 is 59594155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55149595 - 2³ = 55149587 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (8280000).

Almost surely, 2^55149595 is an apocalyptic number.

55149595 is a deficient number, since it is larger than the sum of its proper divisors (11090405).

55149595 is a wasteful number, since it uses less digits than its factorization.

55149595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085.

The product of its digits is 202500, while the sum is 43.

The square root of 55149595 is about 7426.2773312071. The cubic root of 55149595 is about 380.6397234480.

The spelling of 55149595 in words is "fifty-five million, one hundred forty-nine thousand, five hundred ninety-five".