51132415 has 8 divisors (see below), whose sum is σ = 61521408. Its totient is φ = 40797600.

The previous prime is 51132397. The next prime is 51132449. The reversal of 51132415 is 51423115.

It is a happy number.

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

It is not a de Polignac number, because 51132415 - 2⁵ = 51132383 is a prime.

It is a super-2 number, since 2×51132415² = 5229047727464450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11436 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (7690176).

Almost surely, 2^51132415 is an apocalyptic number.

51132415 is a deficient number, since it is larger than the sum of its proper divisors (10388993).

51132415 is a wasteful number, since it uses less digits than its factorization.

51132415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27089.

The product of its digits is 600, while the sum is 22.

The square root of 51132415 is about 7150.6933230282. The cubic root of 51132415 is about 371.1636484008.

The spelling of 51132415 in words is "fifty-one million, one hundred thirty-two thousand, four hundred fifteen".