51863295 has 32 divisors (see below), whose sum is σ = 90849024. Its totient is φ = 25056000.

The previous prime is 51863291. The next prime is 51863303. The reversal of 51863295 is 59236815.

It is not a de Polignac number, because 51863295 - 2² = 51863291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51863291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85995 + ... + 86595.

It is an arithmetic number, because the mean of its divisors is an integer number (2839032).

Almost surely, 2^51863295 is an apocalyptic number.

51863295 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51863295 is a deficient number, since it is larger than the sum of its proper divisors (38985729).

51863295 is a wasteful number, since it uses less digits than its factorization.

51863295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its digits is 64800, while the sum is 39.

The square root of 51863295 is about 7201.6175266394. The cubic root of 51863295 is about 372.9237434165.

The spelling of 51863295 in words is "fifty-one million, eight hundred sixty-three thousand, two hundred ninety-five".