51133371 has 16 divisors (see below), whose sum is σ = 70729248. Its totient is φ = 32832000.

The previous prime is 51133367. The next prime is 51133391. The reversal of 51133371 is 17333115.

It is not a de Polignac number, because 51133371 - 2² = 51133367 is a prime.

It is a super-2 number, since 2×51133371² = 5229243259647282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51133391) 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, 8931 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (4420578).

Almost surely, 2^51133371 is an apocalyptic number.

51133371 is a deficient number, since it is larger than the sum of its proper divisors (19595877).

51133371 is a wasteful number, since it uses less digits than its factorization.

51133371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702.

The product of its digits is 945, while the sum is 24.

The square root of 51133371 is about 7150.7601693806. The cubic root of 51133371 is about 371.1659615468.

Adding to 51133371 its reverse (17333115), we get a palindrome (68466486).

The spelling of 51133371 in words is "fifty-one million, one hundred thirty-three thousand, three hundred seventy-one".