51126167 has 4 divisors (see below), whose sum is σ = 51311016. Its totient is φ = 50941320.

The previous prime is 51126149. The next prime is 51126197. The reversal of 51126167 is 76162115.

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 51126167 - 2⁸ = 51125911 is a prime.

It is a super-2 number, since 2×51126167² = 5227769904223778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126137) 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, 92009 + ... + 92562.

It is an arithmetic number, because the mean of its divisors is an integer number (12827754).

Almost surely, 2^51126167 is an apocalyptic number.

51126167 is a deficient number, since it is larger than the sum of its proper divisors (184849).

51126167 is a wasteful number, since it uses less digits than its factorization.

51126167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184848.

The product of its digits is 2520, while the sum is 29.

The square root of 51126167 is about 7150.2564289681. The cubic root of 51126167 is about 371.1485299745.

The spelling of 51126167 in words is "fifty-one million, one hundred twenty-six thousand, one hundred sixty-seven".