53695880 has 128 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 17418240.

The previous prime is 53695879. The next prime is 53695903. The reversal of 53695880 is 8859635.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735524 + ... + 735596.

It is an arithmetic number, because the mean of its divisors is an integer number (1138860).

Almost surely, 2^53695880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53695880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72887040).

53695880 is an abundant number, since it is smaller than the sum of its proper divisors (92078200).

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

53695880 is a wasteful number, since it uses less digits than its factorization.

53695880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 53695880 is about 7327.7472663841. The cubic root of 53695880 is about 377.2654098529.

The spelling of 53695880 in words is "fifty-three million, six hundred ninety-five thousand, eight hundred eighty".