55500519 has 8 divisors (see below), whose sum is σ = 76552560. Its totient is φ = 35724416.

The previous prime is 55500499. The next prime is 55500527. The reversal of 55500519 is 91500555.

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 55500519 - 2⁷ = 55500391 is a prime.

It is a super-2 number, since 2×55500519² = 6160615218538722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500619) 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, 318882 + ... + 319055.

It is an arithmetic number, because the mean of its divisors is an integer number (9569070).

Almost surely, 2^55500519 is an apocalyptic number.

55500519 is a deficient number, since it is larger than the sum of its proper divisors (21052041).

55500519 is a wasteful number, since it uses less digits than its factorization.

55500519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637969.

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 55500519 is about 7449.8670457935. The cubic root of 55500519 is about 381.4453702951.

The spelling of 55500519 in words is "fifty-five million, five hundred thousand, five hundred nineteen".