51117675 has 24 divisors (see below), whose sum is σ = 96589056. Its totient is φ = 23367840.

The previous prime is 51117653. The next prime is 51117679. The reversal of 51117675 is 57671115.

It is not a de Polignac number, because 51117675 - 2⁵ = 51117643 is a prime.

It is a super-2 number, since 2×51117675² = 5226033394811250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51117679) 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 23 ways as a sum of consecutive naturals, for example, 48159 + ... + 49208.

It is an arithmetic number, because the mean of its divisors is an integer number (4024544).

Almost surely, 2^51117675 is an apocalyptic number.

51117675 is a deficient number, since it is larger than the sum of its proper divisors (45471381).

51117675 is a wasteful number, since it uses less digits than its factorization.

51117675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97387 (or 97382 counting only the distinct ones).

The product of its digits is 7350, while the sum is 33.

The square root of 51117675 is about 7149.6625794509. The cubic root of 51117675 is about 371.1279797161.

The spelling of 51117675 in words is "fifty-one million, one hundred seventeen thousand, six hundred seventy-five".