51460615 has 16 divisors (see below), whose sum is σ = 66624768. Its totient is φ = 38012416.

The previous prime is 51460603. The next prime is 51460621. The reversal of 51460615 is 51606415.

It is a cyclic number.

It is not a de Polignac number, because 51460615 - 2¹⁷ = 51329543 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1207 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (4164048).

Almost surely, 2^51460615 is an apocalyptic number.

51460615 is a deficient number, since it is larger than the sum of its proper divisors (15164153).

51460615 is a wasteful number, since it uses less digits than its factorization.

51460615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51460615 is about 7173.6054393868. The cubic root of 51460615 is about 371.9560759600.

The spelling of 51460615 in words is "fifty-one million, four hundred sixty thousand, six hundred fifteen".