55001518 has 24 divisors (see below), whose sum is σ = 97665624. Its totient is φ = 23076240.

The previous prime is 55001503. The next prime is 55001519. The reversal of 55001518 is 81510055.

55001518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55001492 and 55001501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001519) 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 11 ways as a sum of consecutive naturals, for example, 5596 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (4069401).

Almost surely, 2^55001518 is an apocalyptic number.

55001518 is a deficient number, since it is larger than the sum of its proper divisors (42664106).

55001518 is a wasteful number, since it uses less digits than its factorization.

55001518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520 (or 17509 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 55001518 is about 7416.3008299286. The cubic root of 55001518 is about 380.2987447602.

The spelling of 55001518 in words is "fifty-five million, one thousand, five hundred eighteen".