55090837 has 8 divisors (see below), whose sum is σ = 56796480. Its totient is φ = 53411040.

The previous prime is 55090831. The next prime is 55090879. The reversal of 55090837 is 73809055.

55090837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55090837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55090796 and 55090805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55090831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (7099560).

Almost surely, 2^55090837 is an apocalyptic number.

It is an amenable number.

55090837 is a deficient number, since it is larger than the sum of its proper divisors (1705643).

55090837 is a wasteful number, since it uses less digits than its factorization.

55090837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55090837 is about 7422.3201898059. The cubic root of 55090837 is about 380.5044938264.

The spelling of 55090837 in words is "fifty-five million, ninety thousand, eight hundred thirty-seven".