55287596 has 48 divisors (see below), whose sum is σ = 120911616. Its totient is φ = 21536064.

The previous prime is 55287571. The next prime is 55287599. The reversal of 55287596 is 69578255.

It is a self number, because there is not a number n which added to its sum of digits gives 55287596.

It is not an unprimeable number, because it can be changed into a prime (55287599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23255 + ... + 25521.

It is an arithmetic number, because the mean of its divisors is an integer number (2518992).

Almost surely, 2^55287596 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 55287596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60455808).

55287596 is an abundant number, since it is smaller than the sum of its proper divisors (65624020).

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

55287596 is a wasteful number, since it uses less digits than its factorization.

55287596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2356 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 55287596 is about 7435.5629242176. The cubic root of 55287596 is about 380.9569509759.

The spelling of 55287596 in words is "fifty-five million, two hundred eighty-seven thousand, five hundred ninety-six".