55987833 has 8 divisors (see below), whose sum is σ = 81436896. Its totient is φ = 33932000.

The previous prime is 55987807. The next prime is 55987843. The reversal of 55987833 is 33878955.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55987833 - 2⁸ = 55987577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55987843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848268 + ... + 848333.

It is an arithmetic number, because the mean of its divisors is an integer number (10179612).

Almost surely, 2^55987833 is an apocalyptic number.

It is an amenable number.

55987833 is a deficient number, since it is larger than the sum of its proper divisors (25449063).

55987833 is a wasteful number, since it uses less digits than its factorization.

55987833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696615.

The product of its digits is 907200, while the sum is 48.

The square root of 55987833 is about 7482.5017875040. The cubic root of 55987833 is about 382.5585266503.

It can be divided in two parts, 5598 and 7833, that added together give a palindrome (13431).

The spelling of 55987833 in words is "fifty-five million, nine hundred eighty-seven thousand, eight hundred thirty-three".