50251630 has 32 divisors (see below), whose sum is σ = 106269408. Its totient is φ = 16867200.

The previous prime is 50251613. The next prime is 50251639. The reversal of 50251630 is 3615205.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50251639) 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, 16141 + ... + 19000.

It is an arithmetic number, because the mean of its divisors is an integer number (3320919).

Almost surely, 2^50251630 is an apocalyptic number.

50251630 is an abundant number, since it is smaller than the sum of its proper divisors (56017778).

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

50251630 is a wasteful number, since it uses less digits than its factorization.

50251630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35172.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50251630 is about 7088.8384097820. The cubic root of 50251630 is about 369.0201245870.

Adding to 50251630 its reverse (3615205), we get a palindrome (53866835).

The spelling of 50251630 in words is "fifty million, two hundred fifty-one thousand, six hundred thirty".