50356840 has 64 divisors (see below), whose sum is σ = 120268800. Its totient is φ = 18922752.

The previous prime is 50356829. The next prime is 50356841. The reversal of 50356840 is 4865305.

It is a super-2 number, since 2×50356840² = 5071622669571200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50356841) 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, 131289 + ... + 131671.

It is an arithmetic number, because the mean of its divisors is an integer number (1879200).

Almost surely, 2^50356840 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 50356840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60134400).

50356840 is an abundant number, since it is smaller than the sum of its proper divisors (69911960).

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

50356840 is a wasteful number, since it uses less digits than its factorization.

50356840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 50356840 is about 7096.2553505352. The cubic root of 50356840 is about 369.2774797120.

The spelling of 50356840 in words is "fifty million, three hundred fifty-six thousand, eight hundred forty".