50990402 has 8 divisors (see below), whose sum is σ = 79811136. Its totient is φ = 24386692.

The previous prime is 50990393. The next prime is 50990413. The reversal of 50990402 is 20409905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×50990402² = 5200042192243208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554198 + ... + 554289.

It is an arithmetic number, because the mean of its divisors is an integer number (9976392).

Almost surely, 2^50990402 is an apocalyptic number.

50990402 is a deficient number, since it is larger than the sum of its proper divisors (28820734).

50990402 is a wasteful number, since it uses less digits than its factorization.

50990402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108512.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50990402 is about 7140.7564025109. The cubic root of 50990402 is about 370.8197117358.

The spelling of 50990402 in words is "fifty million, nine hundred ninety thousand, four hundred two".