50256551 has 4 divisors (see below), whose sum is σ = 51425352. Its totient is φ = 49087752.

The previous prime is 50256527. The next prime is 50256559. The reversal of 50256551 is 15565205.

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 50256551 - 2¹⁴ = 50240167 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 (50256559) 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, 584336 + ... + 584421.

It is an arithmetic number, because the mean of its divisors is an integer number (12856338).

Almost surely, 2^50256551 is an apocalyptic number.

50256551 is a deficient number, since it is larger than the sum of its proper divisors (1168801).

50256551 is a wasteful number, since it uses less digits than its factorization.

50256551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168800.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 50256551 is about 7089.1854962330. The cubic root of 50256551 is about 369.0321698928.

The spelling of 50256551 in words is "fifty million, two hundred fifty-six thousand, five hundred fifty-one".