50646456 has 72 divisors (see below), whose sum is σ = 157258920. Its totient is φ = 14424768.

The previous prime is 50646443. The next prime is 50646461. The reversal of 50646456 is 65464605.

It is a happy number.

50646456 is a `hidden beast` number, since 5 + 0 + 6 + 4 + 645 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 50646456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 159610 + ... + 159926.

Almost surely, 2^50646456 is an apocalyptic number.

50646456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50646456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78629460).

50646456 is an abundant number, since it is smaller than the sum of its proper divisors (106612464).

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

50646456 is a wasteful number, since it uses less digits than its factorization.

50646456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 50646456 is about 7116.6323496440. The cubic root of 50646456 is about 369.9840655422.

The spelling of 50646456 in words is "fifty million, six hundred forty-six thousand, four hundred fifty-six".