51013030 has 32 divisors (see below), whose sum is σ = 96811200. Its totient is φ = 19324032.

The previous prime is 51012961. The next prime is 51013033. The reversal of 51013030 is 3031015.

It is a self number, because there is not a number n which added to its sum of digits gives 51013030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13711 + ... + 17029.

It is an arithmetic number, because the mean of its divisors is an integer number (3025350).

Almost surely, 2^51013030 is an apocalyptic number.

51013030 is a deficient number, since it is larger than the sum of its proper divisors (45798170).

51013030 is a wasteful number, since it uses less digits than its factorization.

51013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 51013030 is about 7142.3406527552. The cubic root of 51013030 is about 370.8745564856.

Adding to 51013030 its reverse (3031015), we get a palindrome (54044045).

The spelling of 51013030 in words is "fifty-one million, thirteen thousand, thirty".