55695237 has 16 divisors (see below), whose sum is σ = 80989440. Its totient is φ = 33838272.

The previous prime is 55695229. The next prime is 55695253. The reversal of 55695237 is 73259655.

It is not a de Polignac number, because 55695237 - 2³ = 55695229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55695287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5958 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (5061840).

Almost surely, 2^55695237 is an apocalyptic number.

It is an amenable number.

55695237 is a deficient number, since it is larger than the sum of its proper divisors (25294203).

55695237 is a wasteful number, since it uses less digits than its factorization.

55695237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18172.

The product of its digits is 283500, while the sum is 42.

The square root of 55695237 is about 7462.9241588000. The cubic root of 55695237 is about 381.8909372230.

The spelling of 55695237 in words is "fifty-five million, six hundred ninety-five thousand, two hundred thirty-seven".