53867788 has 24 divisors (see below), whose sum is σ = 101923920. Its totient is φ = 24763200.

The previous prime is 53867783. The next prime is 53867791. The reversal of 53867788 is 88776835.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (53867783) 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, 12063 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (4246830).

Almost surely, 2^53867788 is an apocalyptic number.

It is an amenable number.

53867788 is a deficient number, since it is larger than the sum of its proper divisors (48056132).

53867788 is a wasteful number, since it uses less digits than its factorization.

53867788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4135 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 53867788 is about 7339.4678281194. The cubic root of 53867788 is about 377.6675875347.

The spelling of 53867788 in words is "fifty-three million, eight hundred sixty-seven thousand, seven hundred eighty-eight".