53250487 has 2 divisors, whose sum is σ = 53250488. Its totient is φ = 53250486.

The previous prime is 53250427. The next prime is 53250493. The reversal of 53250487 is 78405235.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53250487 - 2¹⁵ = 53217719 is a prime.

It is a super-2 number, since 2×53250487² = 5671228731474338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53250427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625243 + 26625244.

It is an arithmetic number, because the mean of its divisors is an integer number (26625244).

Almost surely, 2^53250487 is an apocalyptic number.

53250487 is a deficient number, since it is larger than the sum of its proper divisors (1).

53250487 is an equidigital number, since it uses as much as digits as its factorization.

53250487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 53250487 is about 7297.2931282771. The cubic root of 53250487 is about 376.2194070849.

The spelling of 53250487 in words is "fifty-three million, two hundred fifty thousand, four hundred eighty-seven".