55899270 has 48 divisors (see below), whose sum is σ = 166102560. Its totient is φ = 12776832.

The previous prime is 55899253. The next prime is 55899301. The reversal of 55899270 is 7299855.

It is a happy number.

55899270 is a `hidden beast` number, since 558 + 9 + 92 + 7 + 0 = 666.

55899270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 43735 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (3460470).

Almost surely, 2^55899270 is an apocalyptic number.

55899270 is an abundant number, since it is smaller than the sum of its proper divisors (110203290).

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

55899270 is a wasteful number, since it uses less digits than its factorization.

55899270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88749 (or 88746 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 55899270 is about 7476.5814380638. The cubic root of 55899270 is about 382.3567065460.

It can be divided in two parts, 55899 and 270, that added together give a square (56169 = 237²).

The spelling of 55899270 in words is "fifty-five million, eight hundred ninety-nine thousand, two hundred seventy".