55087365 has 32 divisors (see below), whose sum is σ = 93242880. Its totient is φ = 27694656.

The previous prime is 55087363. The next prime is 55087397. The reversal of 55087365 is 56378055.

It is not a de Polignac number, because 55087365 - 2¹ = 55087363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55087363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80314 + ... + 80996.

It is an arithmetic number, because the mean of its divisors is an integer number (2913840).

Almost surely, 2^55087365 is an apocalyptic number.

It is an amenable number.

55087365 is a deficient number, since it is larger than the sum of its proper divisors (38155515).

55087365 is a wasteful number, since it uses less digits than its factorization.

55087365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 55087365 is about 7422.0862969922. The cubic root of 55087365 is about 380.4965001235.

The spelling of 55087365 in words is "fifty-five million, eighty-seven thousand, three hundred sixty-five".