53979803 has 4 divisors (see below), whose sum is σ = 53996328. Its totient is φ = 53963280.

The previous prime is 53979799. The next prime is 53979839. The reversal of 53979803 is 30897935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53979803 - 2² = 53979799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53979853) 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, 1538 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (13499082).

Almost surely, 2^53979803 is an apocalyptic number.

53979803 is a deficient number, since it is larger than the sum of its proper divisors (16525).

53979803 is a wasteful number, since it uses less digits than its factorization.

53979803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 53979803 is about 7347.0948680414. The cubic root of 53979803 is about 377.9291857118.

The spelling of 53979803 in words is "fifty-three million, nine hundred seventy-nine thousand, eight hundred three".