53816002 has 4 divisors (see below), whose sum is σ = 80724006. Its totient is φ = 26908000.

The previous prime is 53815991. The next prime is 53816003. The reversal of 53816002 is 20061835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20061835 = 5 ⋅4012367.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 101761 = 7329^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (53816003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13453999 + ... + 13454002.

Almost surely, 2^53816002 is an apocalyptic number.

53816002 is a deficient number, since it is larger than the sum of its proper divisors (26908004).

53816002 is a wasteful number, since it uses less digits than its factorization.

53816002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908003.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 53816002 is about 7335.9390673587. The cubic root of 53816002 is about 377.5465246812.

Adding to 53816002 its reverse (20061835), we get a palindrome (73877837).

The spelling of 53816002 in words is "fifty-three million, eight hundred sixteen thousand, two".