53316782 has 4 divisors (see below), whose sum is σ = 79975176. Its totient is φ = 26658390.

The previous prime is 53316779. The next prime is 53316787. The reversal of 53316782 is 28761335.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53316787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13329194 + ... + 13329197.

It is an arithmetic number, because the mean of its divisors is an integer number (19993794).

Almost surely, 2^53316782 is an apocalyptic number.

53316782 is a deficient number, since it is larger than the sum of its proper divisors (26658394).

53316782 is a wasteful number, since it uses less digits than its factorization.

53316782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658393.

The product of its digits is 30240, while the sum is 35.

The square root of 53316782 is about 7301.8341531426. The cubic root of 53316782 is about 376.3754690212.

The spelling of 53316782 in words is "fifty-three million, three hundred sixteen thousand, seven hundred eighty-two".