55996830 has 24 divisors (see below), whose sum is σ = 145591992. Its totient is φ = 14932464.

The previous prime is 55996817. The next prime is 55996847. The reversal of 55996830 is 3869955.

55996830 is a `hidden beast` number, since 559 + 9 + 68 + 30 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311004 + ... + 311183.

It is an arithmetic number, because the mean of its divisors is an integer number (6066333).

Almost surely, 2^55996830 is an apocalyptic number.

55996830 is an abundant number, since it is smaller than the sum of its proper divisors (89595162).

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

55996830 is a wasteful number, since it uses less digits than its factorization.

55996830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622200 (or 622197 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 55996830 is about 7483.1029660162. The cubic root of 55996830 is about 382.5790173803.

The spelling of 55996830 in words is "fifty-five million, nine hundred ninety-six thousand, eight hundred thirty".