51533057 has 2 divisors, whose sum is σ = 51533058. Its totient is φ = 51533056.

The previous prime is 51533051. The next prime is 51533099. The reversal of 51533057 is 75033515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44302336 + 7230721 = 6656^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 51533057 - 2¹⁸ = 51270913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51533051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25766528 + 25766529.

It is an arithmetic number, because the mean of its divisors is an integer number (25766529).

Almost surely, 2^51533057 is an apocalyptic number.

It is an amenable number.

51533057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51533057 is an equidigital number, since it uses as much as digits as its factorization.

51533057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 51533057 is about 7178.6528680526. The cubic root of 51533057 is about 372.1305304639.

The spelling of 51533057 in words is "fifty-one million, five hundred thirty-three thousand, fifty-seven".