51034424 has 32 divisors (see below), whose sum is σ = 114117120. Its totient is φ = 20920416.

The previous prime is 51034409. The next prime is 51034427. The reversal of 51034424 is 42443015.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 51034424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51034427) 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, 18524 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (3566160).

Almost surely, 2^51034424 is an apocalyptic number.

It is an amenable number.

51034424 is an abundant number, since it is smaller than the sum of its proper divisors (63082696).

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

51034424 is a wasteful number, since it uses less digits than its factorization.

51034424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39659 (or 39655 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 51034424 is about 7143.8381840576. The cubic root of 51034424 is about 370.9263954068.

Adding to 51034424 its reverse (42443015), we get a palindrome (93477439).

The spelling of 51034424 in words is "fifty-one million, thirty-four thousand, four hundred twenty-four".