51459265 has 16 divisors (see below), whose sum is σ = 72547776. Its totient is φ = 34545600.

The previous prime is 51459217. The next prime is 51459293. The reversal of 51459265 is 56295415.

It is not a de Polignac number, because 51459265 - 2⁹ = 51458753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35271 + ... + 36700.

It is an arithmetic number, because the mean of its divisors is an integer number (4534236).

Almost surely, 2^51459265 is an apocalyptic number.

51459265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51459265 is a deficient number, since it is larger than the sum of its proper divisors (21088511).

51459265 is a wasteful number, since it uses less digits than its factorization.

51459265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72000.

The product of its digits is 54000, while the sum is 37.

The square root of 51459265 is about 7173.5113438260. The cubic root of 51459265 is about 371.9528233425.

The spelling of 51459265 in words is "fifty-one million, four hundred fifty-nine thousand, two hundred sixty-five".