55725048 has 96 divisors (see below), whose sum is σ = 163004400. Its totient is φ = 17132544.

The previous prime is 55725029. The next prime is 55725049. The reversal of 55725048 is 84052755.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55725049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64443 + ... + 65301.

Almost surely, 2^55725048 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 55725048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81502200).

55725048 is an abundant number, since it is smaller than the sum of its proper divisors (107279352).

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

55725048 is a wasteful number, since it uses less digits than its factorization.

55725048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55725048 is about 7464.9211650224. The cubic root of 55725048 is about 381.9590610623.

The spelling of 55725048 in words is "fifty-five million, seven hundred twenty-five thousand, forty-eight".