51269630 has 8 divisors (see below), whose sum is σ = 92285352. Its totient is φ = 20507848.

The previous prime is 51269627. The next prime is 51269683. The reversal of 51269630 is 3696215.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2563472 + ... + 2563491.

It is an arithmetic number, because the mean of its divisors is an integer number (11535669).

Almost surely, 2^51269630 is an apocalyptic number.

51269630 is a deficient number, since it is larger than the sum of its proper divisors (41015722).

51269630 is a wasteful number, since it uses less digits than its factorization.

51269630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126970.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 51269630 is about 7160.2814190505. The cubic root of 51269630 is about 371.4953605592.

The spelling of 51269630 in words is "fifty-one million, two hundred sixty-nine thousand, six hundred thirty".