55650658 has 16 divisors (see below), whose sum is σ = 100422720. Its totient is φ = 22594896.

The previous prime is 55650649. The next prime is 55650667. The reversal of 55650658 is 85605655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55650649) and next prime (55650667).

It is a self number, because there is not a number n which added to its sum of digits gives 55650658.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104341 + ... + 104872.

It is an arithmetic number, because the mean of its divisors is an integer number (6276420).

Almost surely, 2^55650658 is an apocalyptic number.

55650658 is a deficient number, since it is larger than the sum of its proper divisors (44772062).

55650658 is a wasteful number, since it uses less digits than its factorization.

55650658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209241.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 55650658 is about 7459.9368630036. The cubic root of 55650658 is about 381.7890203077.

The spelling of 55650658 in words is "fifty-five million, six hundred fifty thousand, six hundred fifty-eight".