51863262 has 24 divisors (see below), whose sum is σ = 114015048. Its totient is φ = 15715920.

The previous prime is 51863257. The next prime is 51863267. The reversal of 51863262 is 26236815.

It is an interprime number because it is at equal distance from previous prime (51863257) and next prime (51863267).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51863267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34993 + ... + 36444.

It is an arithmetic number, because the mean of its divisors is an integer number (4750627).

Almost surely, 2^51863262 is an apocalyptic number.

51863262 is an abundant number, since it is smaller than the sum of its proper divisors (62151786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51863262 is a wasteful number, since it uses less digits than its factorization.

51863262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71464 (or 71453 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 51863262 is about 7201.6152354871. The cubic root of 51863262 is about 372.9236643208.

It can be divided in two parts, 51863 and 262, that added together give a palindrome (52125).

The spelling of 51863262 in words is "fifty-one million, eight hundred sixty-three thousand, two hundred sixty-two".