53061680 has 80 divisors (see below), whose sum is σ = 148442880. Its totient is φ = 17231616.

The previous prime is 53061653. The next prime is 53061707. The reversal of 53061680 is 8616035.

It is an interprime number because it is at equal distance from previous prime (53061653) and next prime (53061707).

It is a tau number, because it is divible by the number of its divisors (80).

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, 8147 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (1855536).

Almost surely, 2^53061680 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 53061680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74221440).

53061680 is an abundant number, since it is smaller than the sum of its proper divisors (95381200).

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

53061680 is a wasteful number, since it uses less digits than its factorization.

53061680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 53061680 is about 7284.3448572950. The cubic root of 53061680 is about 375.7742344699.

The spelling of 53061680 in words is "fifty-three million, sixty-one thousand, six hundred eighty".