53523678 has 16 divisors (see below), whose sum is σ = 115281936. Its totient is φ = 16468800.

The previous prime is 53523671. The next prime is 53523689. The reversal of 53523678 is 87632535.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53523671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343023 + ... + 343178.

It is an arithmetic number, because the mean of its divisors is an integer number (7205121).

Almost surely, 2^53523678 is an apocalyptic number.

53523678 is an abundant number, since it is smaller than the sum of its proper divisors (61758258).

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

53523678 is a wasteful number, since it uses less digits than its factorization.

53523678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686219.

The product of its digits is 151200, while the sum is 39.

The square root of 53523678 is about 7315.9878348723. The cubic root of 53523678 is about 376.8616828486.

The spelling of 53523678 in words is "fifty-three million, five hundred twenty-three thousand, six hundred seventy-eight".