55230087 has 24 divisors (see below), whose sum is σ = 81415152. Its totient is φ = 33278080.

The previous prime is 55230079. The next prime is 55230101. The reversal of 55230087 is 78003255.

It is a happy number.

It is not a de Polignac number, because 55230087 - 2³ = 55230079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55230037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84253 + ... + 84905.

It is an arithmetic number, because the mean of its divisors is an integer number (3392298).

Almost surely, 2^55230087 is an apocalyptic number.

55230087 is a deficient number, since it is larger than the sum of its proper divisors (26185065).

55230087 is a wasteful number, since it uses less digits than its factorization.

55230087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55230087 is about 7431.6947596090. The cubic root of 55230087 is about 380.8248173359.

The spelling of 55230087 in words is "fifty-five million, two hundred thirty thousand, eighty-seven".