51975351 has 20 divisors (see below), whose sum is σ = 79113672. Its totient is φ = 33993648.

The previous prime is 51975299. The next prime is 51975353. The reversal of 51975351 is 15357915.

51975351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51975351 - 2¹⁷ = 51844279 is a prime.

It is a super-2 number, since 2×51975351² = 5402874223146402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51975353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1761 + ... + 10346.

Almost surely, 2^51975351 is an apocalyptic number.

51975351 is a deficient number, since it is larger than the sum of its proper divisors (27138321).

51975351 is a wasteful number, since it uses less digits than its factorization.

51975351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172 (or 12163 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 51975351 is about 7209.3932477012. The cubic root of 51975351 is about 373.1921302918.

It can be divided in two parts, 51975 and 351, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 51975351 in words is "fifty-one million, nine hundred seventy-five thousand, three hundred fifty-one".