55808370 has 96 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 14169600.

The previous prime is 55808369. The next prime is 55808381. The reversal of 55808370 is 7380855.

It is a happy number.

55808370 is a `hidden beast` number, since 5 + 580 + 8 + 3 + 70 = 666.

55808370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55808370² = 6229148324113800, which contains 22 as substring.

55808370 is a modest number, since divided by 8370 gives 5580 as remainder.

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 47 ways as a sum of consecutive naturals, for example, 231450 + ... + 231690.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584).

Almost surely, 2^55808370 is an apocalyptic number.

It is a pronic number, being equal to 7470×7471.

It is a practical number, because each smaller number is the sum of distinct divisors of 55808370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76108032).

55808370 is an abundant number, since it is smaller than the sum of its proper divisors (96407694).

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

55808370 is a wasteful number, since it uses less digits than its factorization.

55808370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55808370 is about 7470.4999832675. The cubic root of 55808370 is about 382.1493390130.

The spelling of 55808370 in words is "fifty-five million, eight hundred eight thousand, three hundred seventy".