55259088 has 40 divisors (see below), whose sum is σ = 144151488. Its totient is φ = 18239232.

The previous prime is 55259063. The next prime is 55259089. The reversal of 55259088 is 88095255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55259089) 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, 645 + ... + 10532.

Almost surely, 2^55259088 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 55259088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72075744).

55259088 is an abundant number, since it is smaller than the sum of its proper divisors (88892400).

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

55259088 is a wasteful number, since it uses less digits than its factorization.

55259088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291 (or 11285 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 55259088 is about 7433.6456735575. The cubic root of 55259088 is about 380.8914619771.

The spelling of 55259088 in words is "fifty-five million, two hundred fifty-nine thousand, eighty-eight".