51463293 has 8 divisors (see below), whose sum is σ = 78420288. Its totient is φ = 29407584.

The previous prime is 51463289. The next prime is 51463297. The reversal of 51463293 is 39236415.

It is an interprime number because it is at equal distance from previous prime (51463289) and next prime (51463297).

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

It is not a de Polignac number, because 51463293 - 2² = 51463289 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51463297) 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, 1225296 + ... + 1225337.

It is an arithmetic number, because the mean of its divisors is an integer number (9802536).

Almost surely, 2^51463293 is an apocalyptic number.

It is an amenable number.

51463293 is a deficient number, since it is larger than the sum of its proper divisors (26956995).

51463293 is a wasteful number, since it uses less digits than its factorization.

51463293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450643.

The product of its digits is 19440, while the sum is 33.

The square root of 51463293 is about 7173.7920934468. The cubic root of 51463293 is about 371.9625280211.

The spelling of 51463293 in words is "fifty-one million, four hundred sixty-three thousand, two hundred ninety-three".