51151004 has 12 divisors (see below), whose sum is σ = 89564328. Its totient is φ = 25561200.

The previous prime is 51150941. The next prime is 51151007. The reversal of 51151004 is 40015115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51151007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12494 + ... + 16074.

It is an arithmetic number, because the mean of its divisors is an integer number (7463694).

Almost surely, 2^51151004 is an apocalyptic number.

It is an amenable number.

51151004 is a deficient number, since it is larger than the sum of its proper divisors (38413324).

51151004 is a wasteful number, since it uses less digits than its factorization.

51151004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156 (or 7154 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51151004 is about 7151.9930089451. The cubic root of 51151004 is about 371.2086213410.

Adding to 51151004 its product of nonzero digits (100), we get a square (51151104 = 7152²).

Adding to 51151004 its reverse (40015115), we get a palindrome (91166119).

It can be divided in two parts, 511 and 51004, that added together give a palindrome (51515).

The spelling of 51151004 in words is "fifty-one million, one hundred fifty-one thousand, four".