50617620 has 72 divisors (see below), whose sum is σ = 154496160. Its totient is φ = 13414080.

The previous prime is 50617573. The next prime is 50617621. The reversal of 50617620 is 2671605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50617621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31435 + ... + 33005.

It is an arithmetic number, because the mean of its divisors is an integer number (2145780).

Almost surely, 2^50617620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50617620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77248080).

50617620 is an abundant number, since it is smaller than the sum of its proper divisors (103878540).

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

50617620 is a wasteful number, since it uses less digits than its factorization.

50617620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 50617620 is about 7114.6061029406. The cubic root of 50617620 is about 369.9138343302.

The spelling of 50617620 in words is "fifty million, six hundred seventeen thousand, six hundred twenty".