50398380 has 36 divisors (see below), whose sum is σ = 152875632. Its totient is φ = 13439520.

The previous prime is 50398379. The next prime is 50398409. The reversal of 50398380 is 8389305.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 139816 + ... + 140175.

Almost surely, 2^50398380 is an apocalyptic number.

It is an amenable number.

50398380 is an abundant number, since it is smaller than the sum of its proper divisors (102477252).

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

50398380 is a wasteful number, since it uses less digits than its factorization.

50398380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280006 (or 280001 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 50398380 is about 7099.1816429783. The cubic root of 50398380 is about 369.3789923727.

The spelling of 50398380 in words is "fifty million, three hundred ninety-eight thousand, three hundred eighty".