51299262 has 24 divisors (see below), whose sum is σ = 127027056. Its totient is φ = 14656896.

The previous prime is 51299257. The next prime is 51299263. The reversal of 51299262 is 26299215.

It is a happy number.

It is a super-2 number, since 2×51299262² = 5263228563489288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51299263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203443 + ... + 203694.

It is an arithmetic number, because the mean of its divisors is an integer number (5292794).

Almost surely, 2^51299262 is an apocalyptic number.

51299262 is an abundant number, since it is smaller than the sum of its proper divisors (75727794).

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

51299262 is a wasteful number, since it uses less digits than its factorization.

51299262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407152 (or 407149 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51299262 is about 7162.3503125720. The cubic root of 51299262 is about 371.5669170891.

The spelling of 51299262 in words is "fifty-one million, two hundred ninety-nine thousand, two hundred sixty-two".