50365551 has 4 divisors (see below), whose sum is σ = 67154072. Its totient is φ = 33577032.

The previous prime is 50365537. The next prime is 50365559. The reversal of 50365551 is 15556305.

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

It is not a de Polignac number, because 50365551 - 2⁵ = 50365519 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 (50365559) 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, 8394256 + ... + 8394261.

It is an arithmetic number, because the mean of its divisors is an integer number (16788518).

Almost surely, 2^50365551 is an apocalyptic number.

50365551 is a deficient number, since it is larger than the sum of its proper divisors (16788521).

50365551 is a wasteful number, since it uses less digits than its factorization.

50365551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788520.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 50365551 is about 7096.8690984123. The cubic root of 50365551 is about 369.2987716931.

The spelling of 50365551 in words is "fifty million, three hundred sixty-five thousand, five hundred fifty-one".