50891402 has 4 divisors (see below), whose sum is σ = 76337106. Its totient is φ = 25445700.

The previous prime is 50891389. The next prime is 50891411. The reversal of 50891402 is 20419805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 3845521 = 6859^2 + 1961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12722849 + ... + 12722852.

Almost surely, 2^50891402 is an apocalyptic number.

50891402 is a deficient number, since it is larger than the sum of its proper divisors (25445704).

50891402 is a wasteful number, since it uses less digits than its factorization.

50891402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25445703.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 50891402 is about 7133.8209957918. The cubic root of 50891402 is about 370.5795689218.

The spelling of 50891402 in words is "fifty million, eight hundred ninety-one thousand, four hundred two".