55500850 has 48 divisors (see below), whose sum is σ = 108493056. Its totient is φ = 21096000.

The previous prime is 55500821. The next prime is 55500859. The reversal of 55500850 is 5800555.

It is not an unprimeable number, because it can be changed into a prime (55500859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94257 + ... + 94843.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 2^55500850 is an apocalyptic number.

55500850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500850 is a deficient number, since it is larger than the sum of its proper divisors (52992206).

55500850 is a wasteful number, since it uses less digits than its factorization.

55500850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 55500850 is about 7449.8892609219. The cubic root of 55500850 is about 381.4461285954.

The spelling of 55500850 in words is "fifty-five million, five hundred thousand, eight hundred fifty".