51126415 has 8 divisors (see below), whose sum is σ = 63010080. Its totient is φ = 39795552.

The previous prime is 51126389. The next prime is 51126421. The reversal of 51126415 is 51462115.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51126415 is a prime.

It is a super-2 number, since 2×51126415² = 5227820621504450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51126415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137995 + ... + 138364.

It is an arithmetic number, because the mean of its divisors is an integer number (7876260).

Almost surely, 2^51126415 is an apocalyptic number.

51126415 is a deficient number, since it is larger than the sum of its proper divisors (11883665).

51126415 is a wasteful number, since it uses less digits than its factorization.

51126415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276401.

The product of its digits is 1200, while the sum is 25.

The square root of 51126415 is about 7150.2737709825. The cubic root of 51126415 is about 371.1491300892.

The spelling of 51126415 in words is "fifty-one million, one hundred twenty-six thousand, four hundred fifteen".