55332637 has 8 divisors (see below), whose sum is σ = 58730616. Its totient is φ = 51950592.

The previous prime is 55332623. The next prime is 55332647. The reversal of 55332637 is 73623355.

It can be written as a sum of positive squares in 4 ways, for example, as 16818201 + 38514436 = 4101^2 + 6206^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55332637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55332647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (7341327).

Almost surely, 2^55332637 is an apocalyptic number.

It is an amenable number.

55332637 is a deficient number, since it is larger than the sum of its proper divisors (3397979).

55332637 is a wasteful number, since it uses less digits than its factorization.

55332637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967.

The product of its digits is 56700, while the sum is 34.

The square root of 55332637 is about 7438.5910628290. The cubic root of 55332637 is about 381.0603739607.

The spelling of 55332637 in words is "fifty-five million, three hundred thirty-two thousand, six hundred thirty-seven".