50351621652 has 48 divisors (see below), whose sum is σ = 132114050880. Its totient is φ = 16581655584.

The previous prime is 50351621627. The next prime is 50351621659. The reversal of 50351621652 is 25612615305.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50351621659) 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, 2799583 + ... + 2817510.

It is an arithmetic number, because the mean of its divisors is an integer number (2752376060).

Almost surely, 2^50351621652 is an apocalyptic number.

It is an amenable number.

50351621652 is an abundant number, since it is smaller than the sum of its proper divisors (81762429228).

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

50351621652 is a wasteful number, since it uses less digits than its factorization.

50351621652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617189 (or 5617181 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 50351621652 in words is "fifty billion, three hundred fifty-one million, six hundred twenty-one thousand, six hundred fifty-two".