51426003 has 8 divisors (see below), whose sum is σ = 72601488. Its totient is φ = 32267264.

The previous prime is 51425987. The next prime is 51426017. The reversal of 51426003 is 30062415.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51426003 - 2⁴ = 51425987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51426043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504126 + ... + 504227.

It is an arithmetic number, because the mean of its divisors is an integer number (9075186).

Almost surely, 2^51426003 is an apocalyptic number.

51426003 is a deficient number, since it is larger than the sum of its proper divisors (21175485).

51426003 is a wasteful number, since it uses less digits than its factorization.

51426003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008373.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51426003 is about 7171.1925786441. The cubic root of 51426003 is about 371.8726656916.

Adding to 51426003 its reverse (30062415), we get a palindrome (81488418).

The spelling of 51426003 in words is "fifty-one million, four hundred twenty-six thousand, three".