64628053 has 4 divisors (see below), whose sum is σ = 73860640. Its totient is φ = 55395468.

The previous prime is 64628029. The next prime is 64628059. The reversal of 64628053 is 35082646.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64628053 - 2⁵ = 64628021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64628059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4616283 + ... + 4616296.

It is an arithmetic number, because the mean of its divisors is an integer number (18465160).

Almost surely, 2^64628053 is an apocalyptic number.

It is an amenable number.

64628053 is a deficient number, since it is larger than the sum of its proper divisors (9232587).

64628053 is an equidigital number, since it uses as much as digits as its factorization.

64628053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232586.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 64628053 is about 8039.1574807314. The cubic root of 64628053 is about 401.3041868701.

The spelling of 64628053 in words is "sixty-four million, six hundred twenty-eight thousand, fifty-three".