51161602 has 32 divisors (see below), whose sum is σ = 84837888. Its totient is φ = 23037696.

The previous prime is 51161599. The next prime is 51161603. The reversal of 51161602 is 20616115.

It is not an unprimeable number, because it can be changed into a prime (51161603) 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, 83983 + ... + 84589.

It is an arithmetic number, because the mean of its divisors is an integer number (2651184).

Almost surely, 2^51161602 is an apocalyptic number.

51161602 is a deficient number, since it is larger than the sum of its proper divisors (33676286).

51161602 is a wasteful number, since it uses less digits than its factorization.

51161602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51161602 is about 7152.7338829290. The cubic root of 51161602 is about 371.2342565321.

Adding to 51161602 its reverse (20616115), we get a palindrome (71777717).

The spelling of 51161602 in words is "fifty-one million, one hundred sixty-one thousand, six hundred two".