53987892 has 48 divisors (see below), whose sum is σ = 151549440. Its totient is φ = 14612832.

The previous prime is 53987881. The next prime is 53987893. The reversal of 53987892 is 29878935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53987893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15318 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (3157280).

Almost surely, 2^53987892 is an apocalyptic number.

It is an amenable number.

53987892 is an abundant number, since it is smaller than the sum of its proper divisors (97561548).

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

53987892 is a wasteful number, since it uses less digits than its factorization.

53987892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33860 (or 33858 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 53987892 is about 7347.6453371131. The cubic root of 53987892 is about 377.9480626270.

The spelling of 53987892 in words is "fifty-three million, nine hundred eighty-seven thousand, eight hundred ninety-two".