51034403 has 12 divisors (see below), whose sum is σ = 60412560. Its totient is φ = 42230496.

The previous prime is 51034397. The next prime is 51034409. The reversal of 51034403 is 30443015.

It is an interprime number because it is at equal distance from previous prime (51034397) and next prime (51034409).

It is a de Polignac number, because none of the positive numbers 2^k-51034403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51034409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1553 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (5034380).

Almost surely, 2^51034403 is an apocalyptic number.

51034403 is a deficient number, since it is larger than the sum of its proper divisors (9378157).

51034403 is an equidigital number, since it uses as much as digits as its factorization.

51034403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 51034403 is about 7143.8367142594. The cubic root of 51034403 is about 370.9263445297.

Adding to 51034403 its reverse (30443015), we get a palindrome (81477418).

The spelling of 51034403 in words is "fifty-one million, thirty-four thousand, four hundred three".