53161558 has 8 divisors (see below), whose sum is σ = 79853328. Its totient is φ = 26543784.

The previous prime is 53161541. The next prime is 53161609. The reversal of 53161558 is 85516135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16666 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (9981666).

Almost surely, 2^53161558 is an apocalyptic number.

53161558 is a deficient number, since it is larger than the sum of its proper divisors (26691770).

53161558 is a wasteful number, since it uses less digits than its factorization.

53161558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36998.

The product of its digits is 18000, while the sum is 34.

The square root of 53161558 is about 7291.1972953693. The cubic root of 53161558 is about 376.0098599723.

The spelling of 53161558 in words is "fifty-three million, one hundred sixty-one thousand, five hundred fifty-eight".