55246660 has 24 divisors (see below), whose sum is σ = 132592320. Its totient is φ = 18941664.

The previous prime is 55246657. The next prime is 55246669. The reversal of 55246660 is 6664255.

It is not an unprimeable number, because it can be changed into a prime (55246669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197170 + ... + 197449.

It is an arithmetic number, because the mean of its divisors is an integer number (5524680).

Almost surely, 2^55246660 is an apocalyptic number.

It is an amenable number.

55246660 is an abundant number, since it is smaller than the sum of its proper divisors (77345660).

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

55246660 is a wasteful number, since it uses less digits than its factorization.

55246660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394635 (or 394633 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55246660 is about 7432.8096975504. The cubic root of 55246660 is about 380.8629051419.

The spelling of 55246660 in words is "fifty-five million, two hundred forty-six thousand, six hundred sixty".