50402087 has 4 divisors (see below), whose sum is σ = 52140120. Its totient is φ = 48664056.

The previous prime is 50402083. The next prime is 50402111. The reversal of 50402087 is 78020405.

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

It is a cyclic number.

It is not a de Polignac number, because 50402087 - 2² = 50402083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50402083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868973 + ... + 869030.

It is an arithmetic number, because the mean of its divisors is an integer number (13035030).

Almost surely, 2^50402087 is an apocalyptic number.

50402087 is a deficient number, since it is larger than the sum of its proper divisors (1738033).

50402087 is a wasteful number, since it uses less digits than its factorization.

50402087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738032.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 50402087 is about 7099.4427246087. The cubic root of 50402087 is about 369.3880485788.

The spelling of 50402087 in words is "fifty million, four hundred two thousand, eighty-seven".