51072607 has 4 divisors (see below), whose sum is σ = 54076896. Its totient is φ = 48068320.

The previous prime is 51072601. The next prime is 51072613. The reversal of 51072607 is 70627015.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51072601) and next prime (51072613).

It is a cyclic number.

It is not a de Polignac number, because 51072607 - 2³ = 51072599 is a prime.

It is a super-2 number, since 2×51072607² = 5216822371552898, 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 (51072601) 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, 1502119 + ... + 1502152.

It is an arithmetic number, because the mean of its divisors is an integer number (13519224).

Almost surely, 2^51072607 is an apocalyptic number.

51072607 is a deficient number, since it is larger than the sum of its proper divisors (3004289).

51072607 is a wasteful number, since it uses less digits than its factorization.

51072607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004288.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51072607 is about 7146.5101273279. The cubic root of 51072607 is about 371.0188790726.

The spelling of 51072607 in words is "fifty-one million, seventy-two thousand, six hundred seven".