64153255 has 4 divisors (see below), whose sum is σ = 76983912. Its totient is φ = 51322600.

The previous prime is 64153231. The next prime is 64153283. The reversal of 64153255 is 55235146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55235146 = 2 ⋅27617573.

It is a de Polignac number, because none of the positive numbers 2^k-64153255 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415321 + ... + 6415330.

It is an arithmetic number, because the mean of its divisors is an integer number (19245978).

Almost surely, 2^64153255 is an apocalyptic number.

64153255 is a deficient number, since it is larger than the sum of its proper divisors (12830657).

64153255 is a wasteful number, since it uses less digits than its factorization.

64153255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12830656.

The product of its digits is 18000, while the sum is 31.

The square root of 64153255 is about 8009.5727102012. The cubic root of 64153255 is about 400.3190267372.

The spelling of 64153255 in words is "sixty-four million, one hundred fifty-three thousand, two hundred fifty-five".