55337187 has 16 divisors (see below), whose sum is σ = 76066560. Its totient is φ = 35767200.

The previous prime is 55337147. The next prime is 55337197. The reversal of 55337187 is 78173355.

It is not a de Polignac number, because 55337187 - 2⁶ = 55337123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55337147) 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, 10864 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (4754160).

Almost surely, 2^55337187 is an apocalyptic number.

55337187 is a deficient number, since it is larger than the sum of its proper divisors (20729373).

55337187 is a wasteful number, since it uses less digits than its factorization.

55337187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394.

The product of its digits is 88200, while the sum is 39.

The square root of 55337187 is about 7438.8968940294. The cubic root of 55337187 is about 381.0708185330.

It can be divided in two parts, 5533 and 7187, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 55337187 in words is "fifty-five million, three hundred thirty-seven thousand, one hundred eighty-seven".