50248992851 has 4 divisors (see below), whose sum is σ = 50251334304. Its totient is φ = 50246651400.

The previous prime is 50248992821. The next prime is 50248992863. The reversal of 50248992851 is 15829984205.

It is a happy number.

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 50248992851 - 2¹⁴ = 50248976467 is a prime.

It is a super-2 number, since 2×50248992851² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50248992793 and 50248992802.

It is not an unprimeable number, because it can be changed into a prime (50248992811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138235 + ... + 1181556.

It is an arithmetic number, because the mean of its divisors is an integer number (12562833576).

Almost surely, 2^50248992851 is an apocalyptic number.

50248992851 is a deficient number, since it is larger than the sum of its proper divisors (2341453).

50248992851 is a wasteful number, since it uses less digits than its factorization.

50248992851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341452.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 50248992851 in words is "fifty billion, two hundred forty-eight million, nine hundred ninety-two thousand, eight hundred fifty-one".