50155550 has 12 divisors (see below), whose sum is σ = 93289416. Its totient is φ = 20062200.

The previous prime is 50155537. The next prime is 50155561. The reversal of 50155550 is 5555105.

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, 501506 + ... + 501605.

It is an arithmetic number, because the mean of its divisors is an integer number (7774118).

Almost surely, 2^50155550 is an apocalyptic number.

50155550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50155550 is a deficient number, since it is larger than the sum of its proper divisors (43133866).

50155550 is a wasteful number, since it uses less digits than its factorization.

50155550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003123 (or 1003118 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 50155550 is about 7082.0583166195. The cubic root of 50155550 is about 368.7847884444.

It can be divided in two parts, 50155 and 550, that added together give a palindrome (50705).

The spelling of 50155550 in words is "fifty million, one hundred fifty-five thousand, five hundred fifty".