55887330 has 32 divisors (see below), whose sum is σ = 142020864. Its totient is φ = 14026496.

The previous prime is 55887323. The next prime is 55887343. The reversal of 55887330 is 3378855.

55887330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 54282 + ... + 55301.

It is an arithmetic number, because the mean of its divisors is an integer number (4438152).

Almost surely, 2^55887330 is an apocalyptic number.

55887330 is an abundant number, since it is smaller than the sum of its proper divisors (86133534).

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

55887330 is a wasteful number, since it uses less digits than its factorization.

55887330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109610.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 55887330 is about 7475.7829021448. The cubic root of 55887330 is about 382.3294810017.

The spelling of 55887330 in words is "fifty-five million, eight hundred eighty-seven thousand, three hundred thirty".