51363015 has 16 divisors (see below), whose sum is σ = 89652096. Its totient is φ = 24903200.

The previous prime is 51363007. The next prime is 51363017. The reversal of 51363015 is 51036315.

It is not a de Polignac number, because 51363015 - 2³ = 51363007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51363017) 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, 155481 + ... + 155810.

It is an arithmetic number, because the mean of its divisors is an integer number (5603256).

Almost surely, 2^51363015 is an apocalyptic number.

51363015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51363015 is a deficient number, since it is larger than the sum of its proper divisors (38289081).

51363015 is a wasteful number, since it uses less digits than its factorization.

51363015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311310.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 51363015 is about 7166.7994948931. The cubic root of 51363015 is about 371.7207769980.

The spelling of 51363015 in words is "fifty-one million, three hundred sixty-three thousand, fifteen".