55413930 has 64 divisors (see below), whose sum is σ = 156256128. Its totient is φ = 12399360.

The previous prime is 55413929. The next prime is 55413949. The reversal of 55413930 is 3931455.

55413930 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 (30).

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 2169 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (2441502).

Almost surely, 2^55413930 is an apocalyptic number.

55413930 is an abundant number, since it is smaller than the sum of its proper divisors (100842198).

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

55413930 is a wasteful number, since it uses less digits than its factorization.

55413930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12951.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 55413930 is about 7444.0533313511. The cubic root of 55413930 is about 381.2468966871.

The spelling of 55413930 in words is "fifty-five million, four hundred thirteen thousand, nine hundred thirty".