55007590 has 16 divisors (see below), whose sum is σ = 108015120. Its totient is φ = 20002720.

The previous prime is 55007573. The next prime is 55007591. The reversal of 55007590 is 9570055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55007591) 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, 249925 + ... + 250144.

It is an arithmetic number, because the mean of its divisors is an integer number (6750945).

Almost surely, 2^55007590 is an apocalyptic number.

55007590 is a deficient number, since it is larger than the sum of its proper divisors (53007530).

55007590 is a wasteful number, since it uses less digits than its factorization.

55007590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500087.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 55007590 is about 7416.7101871382. The cubic root of 55007590 is about 380.3127388528.

The spelling of 55007590 in words is "fifty-five million, seven thousand, five hundred ninety".