53861740 has 24 divisors (see below), whose sum is σ = 113257872. Its totient is φ = 21516480.

The previous prime is 53861737. The next prime is 53861747. The reversal of 53861740 is 4716835.

It is a junction number, because it is equal to n+sod(n) for n = 53861696 and 53861705.

It is not an unprimeable number, because it can be changed into a prime (53861747) 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, 21135 + ... + 23545.

It is an arithmetic number, because the mean of its divisors is an integer number (4719078).

Almost surely, 2^53861740 is an apocalyptic number.

It is an amenable number.

53861740 is an abundant number, since it is smaller than the sum of its proper divisors (59396132).

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

53861740 is a wasteful number, since it uses less digits than its factorization.

53861740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 53861740 is about 7339.0557975805. The cubic root of 53861740 is about 377.6534528101.

The spelling of 53861740 in words is "fifty-three million, eight hundred sixty-one thousand, seven hundred forty".