51560030 has 16 divisors (see below), whose sum is σ = 92946960. Its totient is φ = 20593152.

The previous prime is 51560023. The next prime is 51560101. The reversal of 51560030 is 3006515.

It is a junction number, because it is equal to n+sod(n) for n = 51559984 and 51560011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3902 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (5809185).

Almost surely, 2^51560030 is an apocalyptic number.

51560030 is a deficient number, since it is larger than the sum of its proper divisors (41386930).

51560030 is a wasteful number, since it uses less digits than its factorization.

51560030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51560030 is about 7180.5313173887. The cubic root of 51560030 is about 372.1954449521.

Adding to 51560030 its reverse (3006515), we get a palindrome (54566545).

The spelling of 51560030 in words is "fifty-one million, five hundred sixty thousand, thirty".