51161010 has 32 divisors (see below), whose sum is σ = 126107712. Its totient is φ = 13273920.

The previous prime is 51160997. The next prime is 51161021. The reversal of 51161010 is 1016115.

51161010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21936 + ... + 24155.

It is an arithmetic number, because the mean of its divisors is an integer number (3940866).

Almost surely, 2^51161010 is an apocalyptic number.

51161010 is an abundant number, since it is smaller than the sum of its proper divisors (74946702).

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

51161010 is a wasteful number, since it uses less digits than its factorization.

51161010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46138.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 51161010 is about 7152.6925000310. The cubic root of 51161010 is about 371.2328246541.

Adding to 51161010 its reverse (1016115), we get a palindrome (52177125).

The spelling of 51161010 in words is "fifty-one million, one hundred sixty-one thousand, ten".