64957955 has 8 divisors (see below), whose sum is σ = 79017792. Its totient is φ = 51254208.

The previous prime is 64957939. The next prime is 64957961. The reversal of 64957955 is 55975946.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64957955 - 2⁴ = 64957939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88619 + ... + 89348.

It is an arithmetic number, because the mean of its divisors is an integer number (9877224).

Almost surely, 2^64957955 is an apocalyptic number.

64957955 is a deficient number, since it is larger than the sum of its proper divisors (14059837).

64957955 is a wasteful number, since it uses less digits than its factorization.

64957955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178045.

The product of its digits is 1701000, while the sum is 50.

The square root of 64957955 is about 8059.6498062881. The cubic root of 64957955 is about 401.9858641267.

Subtracting from 64957955 its reverse (55975946), we obtain a square (8982009 = 2997²).

The spelling of 64957955 in words is "sixty-four million, nine hundred fifty-seven thousand, nine hundred fifty-five".