55766830 has 48 divisors (see below), whose sum is σ = 118683360. Its totient is φ = 18480960.

The previous prime is 55766827. The next prime is 55766833. The reversal of 55766830 is 3866755.

It is an interprime number because it is at equal distance from previous prime (55766827) and next prime (55766833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55766833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66856 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (2472570).

Almost surely, 2^55766830 is an apocalyptic number.

55766830 is an abundant number, since it is smaller than the sum of its proper divisors (62916530).

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

55766830 is a wasteful number, since it uses less digits than its factorization.

55766830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55766830 is about 7467.7191966490. The cubic root of 55766830 is about 382.0545000501.

The spelling of 55766830 in words is "fifty-five million, seven hundred sixty-six thousand, eight hundred thirty".