65613954 has 32 divisors (see below), whose sum is σ = 157870080. Its totient is φ = 17759952.

The previous prime is 65613953. The next prime is 65613983. The reversal of 65613954 is 45931656.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65613953) 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 15 ways as a sum of consecutive naturals, for example, 40314 + ... + 41909.

It is an arithmetic number, because the mean of its divisors is an integer number (4933440).

Almost surely, 2^65613954 is an apocalyptic number.

65613954 is an abundant number, since it is smaller than the sum of its proper divisors (92256126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65613954 is a wasteful number, since it uses less digits than its factorization.

65613954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82254.

The product of its digits is 97200, while the sum is 39.

The square root of 65613954 is about 8100.2440703969. The cubic root of 65613954 is about 403.3345292105.

The spelling of 65613954 in words is "sixty-five million, six hundred thirteen thousand, nine hundred fifty-four".