55590319 has 4 divisors (see below), whose sum is σ = 55618560. Its totient is φ = 55562080.

The previous prime is 55590307. The next prime is 55590341. The reversal of 55590319 is 91309555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55590319 - 2²⁵ = 22035887 is a prime.

It is a super-2 number, since 2×55590319² = 6180567133043522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55590389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10927 + ... + 15184.

It is an arithmetic number, because the mean of its divisors is an integer number (13904640).

Almost surely, 2^55590319 is an apocalyptic number.

55590319 is a deficient number, since it is larger than the sum of its proper divisors (28241).

55590319 is a wasteful number, since it uses less digits than its factorization.

55590319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28240.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 55590319 is about 7455.8915630527. The cubic root of 55590319 is about 381.6509860096.

The spelling of 55590319 in words is "fifty-five million, five hundred ninety thousand, three hundred nineteen".