50312664 has 56 divisors (see below), whose sum is σ = 141456060. Its totient is φ = 16768944.

The previous prime is 50312657. The next prime is 50312683. The reversal of 50312664 is 46621305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1519 + ... + 10145.

Almost surely, 2^50312664 is an apocalyptic number.

50312664 is a gapful number since it is divisible by the number (54) 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 50312664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70728030).

50312664 is an abundant number, since it is smaller than the sum of its proper divisors (91143396).

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

50312664 is an equidigital number, since it uses as much as digits as its factorization.

50312664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651 (or 8632 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 50312664 is about 7093.1420400271. The cubic root of 50312664 is about 369.1694641006.

Adding to 50312664 its reverse (46621305), we get a palindrome (96933969).

The spelling of 50312664 in words is "fifty million, three hundred twelve thousand, six hundred sixty-four".