55420610 has 32 divisors (see below), whose sum is σ = 114860160. Its totient is φ = 18859392.

The previous prime is 55420583. The next prime is 55420649. The reversal of 55420610 is 1602455.

55420610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 6701 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (3589380).

Almost surely, 2^55420610 is an apocalyptic number.

55420610 is an abundant number, since it is smaller than the sum of its proper divisors (59439550).

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

55420610 is a wasteful number, since it uses less digits than its factorization.

55420610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55420610 is about 7444.5019981191. The cubic root of 55420610 is about 381.2622155004.

The spelling of 55420610 in words is "fifty-five million, four hundred twenty thousand, six hundred ten".