55887575 has 24 divisors (see below), whose sum is σ = 73507200. Its totient is φ = 42076800.

The previous prime is 55887563. The next prime is 55887577. The reversal of 55887575 is 57578855.

It is a happy number.

It is not a de Polignac number, because 55887575 - 2⁸ = 55887319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55887577) 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, 27701 + ... + 29649.

It is an arithmetic number, because the mean of its divisors is an integer number (3062800).

Almost surely, 2^55887575 is an apocalyptic number.

55887575 is a deficient number, since it is larger than the sum of its proper divisors (17619625).

55887575 is a wasteful number, since it uses less digits than its factorization.

55887575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2022 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 50.

The square root of 55887575 is about 7475.7992883704. The cubic root of 55887575 is about 382.3300396888.

The spelling of 55887575 in words is "fifty-five million, eight hundred eighty-seven thousand, five hundred seventy-five".