51362430 has 32 divisors (see below), whose sum is σ = 140880384. Its totient is φ = 11739936.

The previous prime is 51362417. The next prime is 51362447. The reversal of 51362430 is 3426315.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51362430.

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 15 ways as a sum of consecutive naturals, for example, 122082 + ... + 122501.

It is an arithmetic number, because the mean of its divisors is an integer number (4402512).

Almost surely, 2^51362430 is an apocalyptic number.

51362430 is an abundant number, since it is smaller than the sum of its proper divisors (89517954).

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

51362430 is a wasteful number, since it uses less digits than its factorization.

51362430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244600.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 51362430 is about 7166.7586815798. The cubic root of 51362430 is about 371.7193657525.

Adding to 51362430 its reverse (3426315), we get a palindrome (54788745).

The spelling of 51362430 in words is "fifty-one million, three hundred sixty-two thousand, four hundred thirty".