53521158 has 16 divisors (see below), whose sum is σ = 107316720. Its totient is φ = 17794656.

The previous prime is 53521133. The next prime is 53521177. The reversal of 53521158 is 85112535.

It is a Curzon number.

It is a congruent number.

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, 8853 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (6707295).

Almost surely, 2^53521158 is an apocalyptic number.

53521158 is an abundant number, since it is smaller than the sum of its proper divisors (53795562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53521158 is a wasteful number, since it uses less digits than its factorization.

53521158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22871.

The product of its digits is 6000, while the sum is 30.

The square root of 53521158 is about 7315.8156072990. The cubic root of 53521158 is about 376.8557682928.

The spelling of 53521158 in words is "fifty-three million, five hundred twenty-one thousand, one hundred fifty-eight".