55150452 has 72 divisors (see below), whose sum is σ = 161179200. Its totient is φ = 15573888.

The previous prime is 55150409. The next prime is 55150507. The reversal of 55150452 is 25405155.

55150452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21199 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (2238600).

Almost surely, 2^55150452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55150452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80589600).

55150452 is an abundant number, since it is smaller than the sum of its proper divisors (106028748).

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

55150452 is a wasteful number, since it uses less digits than its factorization.

55150452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 55150452 is about 7426.3350314943. The cubic root of 55150452 is about 380.6416950947.

The spelling of 55150452 in words is "fifty-five million, one hundred fifty thousand, four hundred fifty-two".