51459963 has 8 divisors (see below), whose sum is σ = 69553488. Its totient is φ = 33836544.

The previous prime is 51459931. The next prime is 51459997. The reversal of 51459963 is 36995415.

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

It is not a de Polignac number, because 51459963 - 2⁵ = 51459931 is a prime.

It is a super-2 number, since 2×51459963² = 5296255583922738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51469963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117270 + ... + 117707.

It is an arithmetic number, because the mean of its divisors is an integer number (8694186).

Almost surely, 2^51459963 is an apocalyptic number.

51459963 is a deficient number, since it is larger than the sum of its proper divisors (18093525).

51459963 is a wasteful number, since it uses less digits than its factorization.

51459963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235053.

The product of its digits is 145800, while the sum is 42.

The square root of 51459963 is about 7173.5599948701. The cubic root of 51459963 is about 371.9545050733.

The spelling of 51459963 in words is "fifty-one million, four hundred fifty-nine thousand, nine hundred sixty-three".