55258016 has 48 divisors (see below), whose sum is σ = 119478240. Its totient is φ = 24948480.

The previous prime is 55258013. The next prime is 55258039. The reversal of 55258016 is 61085255.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (55258013) 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, 62570 + ... + 63446.

It is an arithmetic number, because the mean of its divisors is an integer number (2489130).

Almost surely, 2^55258016 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 55258016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59739120).

55258016 is an abundant number, since it is smaller than the sum of its proper divisors (64220224).

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

55258016 is a wasteful number, since it uses less digits than its factorization.

55258016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 55258016 is about 7433.5735686142. The cubic root of 55258016 is about 380.8889989235. Note that the first 3 decimals are identical.

The spelling of 55258016 in words is "fifty-five million, two hundred fifty-eight thousand, sixteen".