51141204 has 36 divisors (see below), whose sum is σ = 129778740. Its totient is φ = 16980480.

The previous prime is 51141199. The next prime is 51141247. The reversal of 51141204 is 40214115.

It can be written as a sum of positive squares in 2 ways, for example, as 4928400 + 46212804 = 2220^2 + 6798^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (3604965).

Almost surely, 2^51141204 is an apocalyptic number.

It is an amenable number.

51141204 is an abundant number, since it is smaller than the sum of its proper divisors (78637536).

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

51141204 is a wasteful number, since it uses less digits than its factorization.

51141204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51141204 is about 7151.3078524141. The cubic root of 51141204 is about 371.1849132574.

Adding to 51141204 its reverse (40214115), we get a palindrome (91355319).

The spelling of 51141204 in words is "fifty-one million, one hundred forty-one thousand, two hundred four".