51230415 has 16 divisors (see below), whose sum is σ = 83875968. Its totient is φ = 26687136.

The previous prime is 51230393. The next prime is 51230419. The reversal of 51230415 is 51403215.

It is not a de Polignac number, because 51230415 - 2⁶ = 51230351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51230391 and 51230400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51230419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39069 + ... + 40358.

It is an arithmetic number, because the mean of its divisors is an integer number (5242248).

Almost surely, 2^51230415 is an apocalyptic number.

51230415 is a deficient number, since it is larger than the sum of its proper divisors (32645553).

51230415 is a wasteful number, since it uses less digits than its factorization.

51230415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79478.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51230415 is about 7157.5425251968. The cubic root of 51230415 is about 371.4006202198.

The spelling of 51230415 in words is "fifty-one million, two hundred thirty thousand, four hundred fifteen".