55461660 has 24 divisors (see below), whose sum is σ = 155292816. Its totient is φ = 14789760.

The previous prime is 55461619. The next prime is 55461673. The reversal of 55461660 is 6616455.

55461660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 462121 + ... + 462240.

It is an arithmetic number, because the mean of its divisors is an integer number (6470534).

Almost surely, 2^55461660 is an apocalyptic number.

It is an amenable number.

55461660 is an abundant number, since it is smaller than the sum of its proper divisors (99831156).

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

55461660 is a wasteful number, since it uses less digits than its factorization.

55461660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924373 (or 924371 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55461660 is about 7447.2585560057. The cubic root of 55461660 is about 381.3563258043.

The spelling of 55461660 in words is "fifty-five million, four hundred sixty-one thousand, six hundred sixty".