51063430 has 16 divisors (see below), whose sum is σ = 100270224. Its totient is φ = 18568480.

The previous prime is 51063421. The next prime is 51063437. The reversal of 51063430 is 3436015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51063437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231997 + ... + 232216.

It is an arithmetic number, because the mean of its divisors is an integer number (6266889).

Almost surely, 2^51063430 is an apocalyptic number.

51063430 is a deficient number, since it is larger than the sum of its proper divisors (49206794).

51063430 is a wasteful number, since it uses less digits than its factorization.

51063430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464231.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 51063430 is about 7145.8680368448. The cubic root of 51063430 is about 370.9966555206.

Adding to 51063430 its reverse (3436015), we get a palindrome (54499445).

The spelling of 51063430 in words is "fifty-one million, sixty-three thousand, four hundred thirty".