51363430 has 24 divisors (see below), whose sum is σ = 93753072. Its totient is φ = 20260656.

The previous prime is 51363427. The next prime is 51363451. The reversal of 51363430 is 3436315.

It is a junction number, because it is equal to n+sod(n) for n = 51363395 and 51363404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61999 + ... + 62821.

It is an arithmetic number, because the mean of its divisors is an integer number (3906378).

Almost surely, 2^51363430 is an apocalyptic number.

51363430 is a deficient number, since it is larger than the sum of its proper divisors (42389642).

51363430 is an equidigital number, since it uses as much as digits as its factorization.

51363430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 51363430 is about 7166.8284477864. The cubic root of 51363430 is about 371.7217781315.

Adding to 51363430 its reverse (3436315), we get a palindrome (54799745).

The spelling of 51363430 in words is "fifty-one million, three hundred sixty-three thousand, four hundred thirty".