53701840 has 80 divisors (see below), whose sum is σ = 130223808. Its totient is φ = 20579328.

The previous prime is 53701807. The next prime is 53701853. The reversal of 53701840 is 4810735.

53701840 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 (80).

It is a junction number, because it is equal to n+sod(n) for n = 53701799 and 53701808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 230364 + ... + 230596.

Almost surely, 2^53701840 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 53701840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65111904).

53701840 is an abundant number, since it is smaller than the sum of its proper divisors (76521968).

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

53701840 is a wasteful number, since it uses less digits than its factorization.

53701840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53701840 is about 7328.1539285143. The cubic root of 53701840 is about 377.2793675883.

The spelling of 53701840 in words is "fifty-three million, seven hundred one thousand, eight hundred forty".