51415607 has 8 divisors (see below), whose sum is σ = 52926096. Its totient is φ = 49911552.

The previous prime is 51415601. The next prime is 51415631. The reversal of 51415607 is 70651415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51415607 - 2⁴ = 51415591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51415607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51415601) 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 7 ways as a sum of consecutive naturals, for example, 18023 + ... + 20679.

It is an arithmetic number, because the mean of its divisors is an integer number (6615762).

Almost surely, 2^51415607 is an apocalyptic number.

51415607 is a deficient number, since it is larger than the sum of its proper divisors (1510489).

51415607 is a wasteful number, since it uses less digits than its factorization.

51415607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51415607 is about 7170.4676974379. The cubic root of 51415607 is about 371.8476054203.

The spelling of 51415607 in words is "fifty-one million, four hundred fifteen thousand, six hundred seven".