55050072 has 64 divisors (see below), whose sum is σ = 171590400. Its totient is φ = 14298240.

The previous prime is 55050071. The next prime is 55050089. The reversal of 55050072 is 27005055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13047 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (2681100).

Almost surely, 2^55050072 is an apocalyptic number.

It is an amenable number.

55050072 is an abundant number, since it is smaller than the sum of its proper divisors (116540328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55050072 is a wasteful number, since it uses less digits than its factorization.

55050072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29816 (or 29812 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 55050072 is about 7419.5735726523. The cubic root of 55050072 is about 380.4106180024.

The spelling of 55050072 in words is "fifty-five million, fifty thousand, seventy-two".