50987412 has 144 divisors (see below), whose sum is σ = 162140160. Its totient is φ = 13172544.

The previous prime is 50987411. The next prime is 50987413. The reversal of 50987412 is 21478905.

It is an interprime number because it is at equal distance from previous prime (50987411) and next prime (50987413).

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50987411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109893 + ... + 110355.

Almost surely, 2^50987412 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 50987412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81070080).

50987412 is an abundant number, since it is smaller than the sum of its proper divisors (111152748).

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

50987412 is a wasteful number, since it uses less digits than its factorization.

50987412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 50987412 is about 7140.5470378676. The cubic root of 50987412 is about 370.8124634919.

The spelling of 50987412 in words is "fifty million, nine hundred eighty-seven thousand, four hundred twelve".