50629890 has 32 divisors (see below), whose sum is σ = 123330240. Its totient is φ = 13299264.

The previous prime is 50629861. The next prime is 50629897. The reversal of 50629890 is 9892605.

It is a happy number.

It is a super-2 number, since 2×50629890² = 5126771522824200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50629897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10585 + ... + 14604.

It is an arithmetic number, because the mean of its divisors is an integer number (3854070).

Almost surely, 2^50629890 is an apocalyptic number.

50629890 is an abundant number, since it is smaller than the sum of its proper divisors (72700350).

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

50629890 is a wasteful number, since it uses less digits than its factorization.

50629890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 50629890 is about 7115.4683612535. The cubic root of 50629890 is about 369.9437216570.

The spelling of 50629890 in words is "fifty million, six hundred twenty-nine thousand, eight hundred ninety".