53857451 has 2 divisors, whose sum is σ = 53857452. Its totient is φ = 53857450.

The previous prime is 53857373. The next prime is 53857469. The reversal of 53857451 is 15475835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53857451 - 2¹⁸ = 53595307 is a prime.

It is not a weakly prime, because it can be changed into another prime (53857151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928725 + 26928726.

It is an arithmetic number, because the mean of its divisors is an integer number (26928726).

Almost surely, 2^53857451 is an apocalyptic number.

53857451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53857451 is an equidigital number, since it uses as much as digits as its factorization.

53857451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 53857451 is about 7338.7635879622. The cubic root of 53857451 is about 377.6434283867.

The spelling of 53857451 in words is "fifty-three million, eight hundred fifty-seven thousand, four hundred fifty-one".