53379665 has 8 divisors (see below), whose sum is σ = 66840768. Its totient is φ = 40846960.

The previous prime is 53379661. The next prime is 53379673. The reversal of 53379665 is 56697335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53379665 - 2² = 53379661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53379661) 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 in 7 ways as a sum of consecutive naturals, for example, 231971 + ... + 232200.

It is an arithmetic number, because the mean of its divisors is an integer number (8355096).

Almost surely, 2^53379665 is an apocalyptic number.

It is an amenable number.

53379665 is a deficient number, since it is larger than the sum of its proper divisors (13461103).

53379665 is a wasteful number, since it uses less digits than its factorization.

53379665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464199.

The product of its digits is 510300, while the sum is 44.

The square root of 53379665 is about 7306.1388571529. The cubic root of 53379665 is about 376.5233794234.

The spelling of 53379665 in words is "fifty-three million, three hundred seventy-nine thousand, six hundred sixty-five".