50553816 has 32 divisors (see below), whose sum is σ = 131880960. Its totient is φ = 16118432.

The previous prime is 50553787. The next prime is 50553821. The reversal of 50553816 is 61835505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45240 + ... + 46343.

It is an arithmetic number, because the mean of its divisors is an integer number (4121280).

Almost surely, 2^50553816 is an apocalyptic number.

It is an amenable number.

50553816 is an abundant number, since it is smaller than the sum of its proper divisors (81327144).

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

50553816 is a wasteful number, since it uses less digits than its factorization.

50553816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91615 (or 91611 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 50553816 is about 7110.1206740814. The cubic root of 50553816 is about 369.7583423225.

The spelling of 50553816 in words is "fifty million, five hundred fifty-three thousand, eight hundred sixteen".