55144594 has 4 divisors (see below), whose sum is σ = 82716894. Its totient is φ = 27572296.

The previous prime is 55144571. The next prime is 55144603. The reversal of 55144594 is 49544155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 5230369 = 7065^2 + 2287^2 .

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 as a sum of consecutive naturals, namely, 13786147 + ... + 13786150.

Almost surely, 2^55144594 is an apocalyptic number.

55144594 is a deficient number, since it is larger than the sum of its proper divisors (27572300).

55144594 is a wasteful number, since it uses less digits than its factorization.

55144594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27572299.

The product of its digits is 72000, while the sum is 37.

The square root of 55144594 is about 7425.9406138213. The cubic root of 55144594 is about 380.6282175502.

The spelling of 55144594 in words is "fifty-five million, one hundred forty-four thousand, five hundred ninety-four".