53543694 has 32 divisors (see below), whose sum is σ = 108958464. Its totient is φ = 17539200.

The previous prime is 53543687. The next prime is 53543713. The reversal of 53543694 is 49634535.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102117 + ... + 102639.

It is an arithmetic number, because the mean of its divisors is an integer number (3404952).

Almost surely, 2^53543694 is an apocalyptic number.

53543694 is an abundant number, since it is smaller than the sum of its proper divisors (55414770).

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

53543694 is a wasteful number, since it uses less digits than its factorization.

53543694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 194400, while the sum is 39.

The square root of 53543694 is about 7317.3556699125. The cubic root of 53543694 is about 376.9086547286.

The spelling of 53543694 in words is "fifty-three million, five hundred forty-three thousand, six hundred ninety-four".