51541156 has 6 divisors (see below), whose sum is σ = 90197030. Its totient is φ = 25770576.

The previous prime is 51541123. The next prime is 51541163. The reversal of 51541156 is 65114515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32878756 + 18662400 = 5734^2 + 4320^2 .

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 as a sum of consecutive naturals, namely, 6442641 + ... + 6442648.

Almost surely, 2^51541156 is an apocalyptic number.

It is an amenable number.

51541156 is a deficient number, since it is larger than the sum of its proper divisors (38655874).

51541156 is a wasteful number, since it uses less digits than its factorization.

51541156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885293 (or 12885291 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 51541156 is about 7179.2169489437. The cubic root of 51541156 is about 372.1500242766.

The spelling of 51541156 in words is "fifty-one million, five hundred forty-one thousand, one hundred fifty-six".