50451620 has 24 divisors (see below), whose sum is σ = 106727544. Its totient is φ = 20032256.

The previous prime is 50451617. The next prime is 50451641. The reversal of 50451620 is 2615405.

It can be written as a sum of positive squares in 4 ways, for example, as 2896804 + 47554816 = 1702^2 + 6896^2 .

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, 6467 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (4446981).

Almost surely, 2^50451620 is an apocalyptic number.

It is an amenable number.

50451620 is an abundant number, since it is smaller than the sum of its proper divisors (56275924).

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

50451620 is a wasteful number, since it uses less digits than its factorization.

50451620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18559 (or 18557 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 50451620 is about 7102.9303811878. The cubic root of 50451620 is about 369.5090151814.

The spelling of 50451620 in words is "fifty million, four hundred fifty-one thousand, six hundred twenty".