53145373 has 2 divisors, whose sum is σ = 53145374. Its totient is φ = 53145372.

The previous prime is 53145361. The next prime is 53145397. The reversal of 53145373 is 37354135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32012964 + 21132409 = 5658^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 53145373 - 2¹⁷ = 53014301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53145343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572686 + 26572687.

It is an arithmetic number, because the mean of its divisors is an integer number (26572687).

Almost surely, 2^53145373 is an apocalyptic number.

It is an amenable number.

53145373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53145373 is an equidigital number, since it uses as much as digits as its factorization.

53145373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 31.

The square root of 53145373 is about 7290.0873108626. The cubic root of 53145373 is about 375.9716974509.

The spelling of 53145373 in words is "fifty-three million, one hundred forty-five thousand, three hundred seventy-three".