53491068 has 36 divisors (see below), whose sum is σ = 135801120. Its totient is φ = 17752896.

The previous prime is 53491063. The next prime is 53491069. The reversal of 53491068 is 86019435.

53491068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×53491068² = 5722588711561248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53491063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5496 + ... + 11712.

Almost surely, 2^53491068 is an apocalyptic number.

It is an amenable number.

53491068 is an abundant number, since it is smaller than the sum of its proper divisors (82310052).

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

53491068 is a wasteful number, since it uses less digits than its factorization.

53491068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 53491068 is about 7313.7588147272. The cubic root of 53491068 is about 376.7851313321.

The spelling of 53491068 in words is "fifty-three million, four hundred ninety-one thousand, sixty-eight".