55608437 has 4 divisors (see below), whose sum is σ = 56014476. Its totient is φ = 55202400.

The previous prime is 55608433. The next prime is 55608467. The reversal of 55608437 is 73480655.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 45616516 = 3161^2 + 6754^2 .

It is a cyclic number.

It is not a de Polignac number, because 55608437 - 2² = 55608433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55608437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55608431) 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 3 ways as a sum of consecutive naturals, for example, 202814 + ... + 203087.

It is an arithmetic number, because the mean of its divisors is an integer number (14003619).

Almost surely, 2^55608437 is an apocalyptic number.

It is an amenable number.

55608437 is a deficient number, since it is larger than the sum of its proper divisors (406039).

55608437 is a wasteful number, since it uses less digits than its factorization.

55608437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406038.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 55608437 is about 7457.1064763754. The cubic root of 55608437 is about 381.6924440764.

The spelling of 55608437 in words is "fifty-five million, six hundred eight thousand, four hundred thirty-seven".