51125059 has 4 divisors (see below), whose sum is σ = 51309904. Its totient is φ = 50940216.

The previous prime is 51125051. The next prime is 51125077. The reversal of 51125059 is 95052115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95052115 = 5 ⋅19010423.

It is a cyclic number.

It is not a de Polignac number, because 51125059 - 2³ = 51125051 is a prime.

It is a super-2 number, since 2×51125059² = 5227543315506962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51125051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92007 + ... + 92560.

It is an arithmetic number, because the mean of its divisors is an integer number (12827476).

Almost surely, 2^51125059 is an apocalyptic number.

51125059 is a deficient number, since it is larger than the sum of its proper divisors (184845).

51125059 is a wasteful number, since it uses less digits than its factorization.

51125059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184844.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 51125059 is about 7150.1789488096. The cubic root of 51125059 is about 371.1458487934.

The spelling of 51125059 in words is "fifty-one million, one hundred twenty-five thousand, fifty-nine".