51957233 has 2 divisors, whose sum is σ = 51957234. Its totient is φ = 51957232.

The previous prime is 51957203. The next prime is 51957277. The reversal of 51957233 is 33275915.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51940849 + 16384 = 7207^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 51957233 - 2¹⁰ = 51956209 is a prime.

It is a super-2 number, since 2×51957233² = 5399108122032578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51957193 and 51957202.

It is not a weakly prime, because it can be changed into another prime (51957203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25978616 + 25978617.

It is an arithmetic number, because the mean of its divisors is an integer number (25978617).

Almost surely, 2^51957233 is an apocalyptic number.

It is an amenable number.

51957233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51957233 is an equidigital number, since it uses as much as digits as its factorization.

51957233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 35.

The square root of 51957233 is about 7208.1365830567. The cubic root of 51957233 is about 373.1487617802.

The spelling of 51957233 in words is "fifty-one million, nine hundred fifty-seven thousand, two hundred thirty-three".