55599392 has 24 divisors (see below), whose sum is σ = 109945836. Its totient is φ = 27676672.

The previous prime is 55599373. The next prime is 55599437. The reversal of 55599392 is 29399555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51897616 + 3701776 = 7204^2 + 1924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 11184.

Almost surely, 2^55599392 is an apocalyptic number.

It is a pronic number, being equal to 7456×7457.

It is an amenable number.

55599392 is a deficient number, since it is larger than the sum of its proper divisors (54346444).

55599392 is a wasteful number, since it uses less digits than its factorization.

55599392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700 (or 7692 counting only the distinct ones).

The product of its digits is 546750, while the sum is 47.

The square root of 55599392 is about 7456.4999832361. The cubic root of 55599392 is about 381.6717482039.

The spelling of 55599392 in words is "fifty-five million, five hundred ninety-nine thousand, three hundred ninety-two".