53891458 has 16 divisors (see below), whose sum is σ = 82115640. Its totient is φ = 26522496.

The previous prime is 53891441. The next prime is 53891473. The reversal of 53891458 is 85419835.

It can be written as a sum of positive squares in 4 ways, for example, as 45522009 + 8369449 = 6747^2 + 2893^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48760 + ... + 49852.

Almost surely, 2^53891458 is an apocalyptic number.

53891458 is a deficient number, since it is larger than the sum of its proper divisors (28224182).

53891458 is a wasteful number, since it uses less digits than its factorization.

53891458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its digits is 172800, while the sum is 43.

The square root of 53891458 is about 7341.0801657522. The cubic root of 53891458 is about 377.7228963015.

The spelling of 53891458 in words is "fifty-three million, eight hundred ninety-one thousand, four hundred fifty-eight".