50123664 has 40 divisors (see below), whose sum is σ = 143874720. Its totient is φ = 16707744.

The previous prime is 50123651. The next prime is 50123669. The reversal of 50123664 is 46632105.

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

It is not an unprimeable number, because it can be changed into a prime (50123669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57582 + ... + 58445.

It is an arithmetic number, because the mean of its divisors is an integer number (3596868).

Almost surely, 2^50123664 is an apocalyptic number.

50123664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

50123664 is an abundant number, since it is smaller than the sum of its proper divisors (93751056).

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

50123664 is a wasteful number, since it uses less digits than its factorization.

50123664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116044 (or 116032 counting only the distinct ones).

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

The square root of 50123664 is about 7079.8067770244. The cubic root of 50123664 is about 368.7066211924.

Adding to 50123664 its reverse (46632105), we get a palindrome (96755769).

The spelling of 50123664 in words is "fifty million, one hundred twenty-three thousand, six hundred sixty-four".