53313566 has 4 divisors (see below), whose sum is σ = 79970352. Its totient is φ = 26656782.

The previous prime is 53313553. The next prime is 53313569. The reversal of 53313566 is 66531335.

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 (53313569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13328390 + ... + 13328393.

It is an arithmetic number, because the mean of its divisors is an integer number (19992588).

Almost surely, 2^53313566 is an apocalyptic number.

53313566 is a deficient number, since it is larger than the sum of its proper divisors (26656786).

53313566 is a wasteful number, since it uses less digits than its factorization.

53313566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656785.

The product of its digits is 24300, while the sum is 32.

The square root of 53313566 is about 7301.6139311799. The cubic root of 53313566 is about 376.3679013736.

The spelling of 53313566 in words is "fifty-three million, three hundred thirteen thousand, five hundred sixty-six".