50404690 has 32 divisors (see below), whose sum is σ = 104186880. Its totient is φ = 17198784.

The previous prime is 50404687. The next prime is 50404721. The reversal of 50404690 is 9640405.

It is a super-2 number, since 2×50404690² = 5081265547992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13996 + ... + 17224.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^50404690 is an apocalyptic number.

50404690 is an abundant number, since it is smaller than the sum of its proper divisors (53782190).

50404690 is a wasteful number, since it uses less digits than its factorization.

50404690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 50404690 is about 7099.6260464901. The cubic root of 50404690 is about 369.3944074461.

It can be divided in two parts, 5040 and 4690, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 50404690 in words is "fifty million, four hundred four thousand, six hundred ninety".