53893940 has 24 divisors (see below), whose sum is σ = 113340192. Its totient is φ = 21526560.

The previous prime is 53893933. The next prime is 53893943. The reversal of 53893940 is 4939835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53893943) 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, 16655 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (4722508).

Almost surely, 2^53893940 is an apocalyptic number.

It is an amenable number.

53893940 is an abundant number, since it is smaller than the sum of its proper divisors (59446252).

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

53893940 is a wasteful number, since it uses less digits than its factorization.

53893940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3885 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 53893940 is about 7341.2492124978. The cubic root of 53893940 is about 377.7286949560.

The spelling of 53893940 in words is "fifty-three million, eight hundred ninety-three thousand, nine hundred forty".