64051355 has 4 divisors (see below), whose sum is σ = 76861632. Its totient is φ = 51241080.

The previous prime is 64051333. The next prime is 64051367. The reversal of 64051355 is 55315046.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64051355 - 2¹⁸ = 63789211 is a prime.

It is a Duffinian 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, 6405131 + ... + 6405140.

It is an arithmetic number, because the mean of its divisors is an integer number (19215408).

Almost surely, 2^64051355 is an apocalyptic number.

64051355 is a deficient number, since it is larger than the sum of its proper divisors (12810277).

64051355 is a wasteful number, since it uses less digits than its factorization.

64051355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810276.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 64051355 is about 8003.2090438773. The cubic root of 64051355 is about 400.1069609792.

The spelling of 64051355 in words is "sixty-four million, fifty-one thousand, three hundred fifty-five".