55500050 has 24 divisors (see below), whose sum is σ = 103927872. Its totient is φ = 22050000.

The previous prime is 55500047. The next prime is 55500077. The reversal of 55500050 is 5000555.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55499995 and 55500031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3875 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (4330328).

Almost surely, 2^55500050 is an apocalyptic number.

55500050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500050 is a deficient number, since it is larger than the sum of its proper divisors (48427822).

55500050 is a wasteful number, since it uses less digits than its factorization.

55500050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 55500050 is about 7449.8355686552. The cubic root of 55500050 is about 381.4442958404. Note that the first 3 decimals are identical.

It can be divided in two parts, 5 and 5500050, that added together give a palindrome (5500055).

The spelling of 55500050 in words is "fifty-five million, five hundred thousand, fifty".