51133061 has 8 divisors (see below), whose sum is σ = 60453120. Its totient is φ = 42316848.

The previous prime is 51133031. The next prime is 51133087. The reversal of 51133061 is 16033115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51133061 - 2⁶ = 51132997 is a prime.

It is a super-2 number, since 2×51133061² = 5229179854459442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51133021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125741 + ... + 126146.

It is an arithmetic number, because the mean of its divisors is an integer number (7556640).

Almost surely, 2^51133061 is an apocalyptic number.

It is an amenable number.

51133061 is a deficient number, since it is larger than the sum of its proper divisors (9320059).

51133061 is a wasteful number, since it uses less digits than its factorization.

51133061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251923.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 51133061 is about 7150.7384933306. The cubic root of 51133061 is about 371.1652114713.

Adding to 51133061 its reverse (16033115), we get a palindrome (67166176).

The spelling of 51133061 in words is "fifty-one million, one hundred thirty-three thousand, sixty-one".