50551550 has 48 divisors (see below), whose sum is σ = 108638880. Its totient is φ = 17141760.

The previous prime is 50551549. The next prime is 50551561. The reversal of 50551550 is 5515505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33206 + ... + 34694.

It is an arithmetic number, because the mean of its divisors is an integer number (2263310).

Almost surely, 2^50551550 is an apocalyptic number.

50551550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50551550 is an abundant number, since it is smaller than the sum of its proper divisors (58087330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50551550 is a wasteful number, since it uses less digits than its factorization.

50551550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1600 counting only the distinct ones).

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

The square root of 50551550 is about 7109.9613219764. The cubic root of 50551550 is about 369.7528176164.

The spelling of 50551550 in words is "fifty million, five hundred fifty-one thousand, five hundred fifty".