51295450 has 12 divisors (see below), whose sum is σ = 95409630. Its totient is φ = 20518160.

The previous prime is 51295429. The next prime is 51295457. The reversal of 51295450 is 5459215.

It can be written as a sum of positive squares in 3 ways, for example, as 31820881 + 19474569 = 5641^2 + 4413^2 .

It is not an unprimeable number, because it can be changed into a prime (51295457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512905 + ... + 513004.

Almost surely, 2^51295450 is an apocalyptic number.

51295450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51295450 is a deficient number, since it is larger than the sum of its proper divisors (44114180).

51295450 is a wasteful number, since it uses less digits than its factorization.

51295450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025921 (or 1025916 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 51295450 is about 7162.0841938642. The cubic root of 51295450 is about 371.5577132648.

The spelling of 51295450 in words is "fifty-one million, two hundred ninety-five thousand, four hundred fifty".