53987756 has 12 divisors (see below), whose sum is σ = 95540760. Its totient is φ = 26690400.

The previous prime is 53987753. The next prime is 53987779. The reversal of 53987756 is 65778935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53987753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75470 + ... + 76181.

It is an arithmetic number, because the mean of its divisors is an integer number (7961730).

Almost surely, 2^53987756 is an apocalyptic number.

It is an amenable number.

53987756 is a deficient number, since it is larger than the sum of its proper divisors (41553004).

53987756 is a wasteful number, since it uses less digits than its factorization.

53987756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151744 (or 151742 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 53987756 is about 7347.6360824418. The cubic root of 53987756 is about 377.9477452658.

The spelling of 53987756 in words is "fifty-three million, nine hundred eighty-seven thousand, seven hundred fifty-six".