55655349950 has 12 divisors (see below), whose sum is σ = 103518951000. Its totient is φ = 22262139960.

The previous prime is 55655349943. The next prime is 55655349983. The reversal of 55655349950 is 5994355655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556553450 + ... + 556553549.

It is an arithmetic number, because the mean of its divisors is an integer number (8626579250).

Almost surely, 2^55655349950 is an apocalyptic number.

55655349950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55655349950 is a deficient number, since it is larger than the sum of its proper divisors (47863601050).

55655349950 is a wasteful number, since it uses less digits than its factorization.

55655349950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113107011 (or 1113107006 counting only the distinct ones).

The product of its (nonzero) digits is 18225000, while the sum is 56.

The spelling of 55655349950 in words is "fifty-five billion, six hundred fifty-five million, three hundred forty-nine thousand, nine hundred fifty".