55032590 has 8 divisors (see below), whose sum is σ = 99058680. Its totient is φ = 22013032.

The previous prime is 55032589. The next prime is 55032611. The reversal of 55032590 is 9523055.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751620 + ... + 2751639.

It is an arithmetic number, because the mean of its divisors is an integer number (12382335).

Almost surely, 2^55032590 is an apocalyptic number.

55032590 is a deficient number, since it is larger than the sum of its proper divisors (44026090).

55032590 is a wasteful number, since it uses less digits than its factorization.

55032590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503266.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 55032590 is about 7418.3953790560. The cubic root of 55032590 is about 380.3703453180.

The spelling of 55032590 in words is "fifty-five million, thirty-two thousand, five hundred ninety".