64542355 has 16 divisors (see below), whose sum is σ = 80166240. Its totient is φ = 49851648.

The previous prime is 64542349. The next prime is 64542409. The reversal of 64542355 is 55324546.

It is a cyclic number.

It is not a de Polignac number, because 64542355 - 2⁷ = 64542227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64542355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17449 + ... + 20821.

It is an arithmetic number, because the mean of its divisors is an integer number (5010390).

Almost surely, 2^64542355 is an apocalyptic number.

64542355 is a deficient number, since it is larger than the sum of its proper divisors (15623885).

64542355 is a wasteful number, since it uses less digits than its factorization.

64542355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510.

The product of its digits is 72000, while the sum is 34.

The square root of 64542355 is about 8033.8256764757. The cubic root of 64542355 is about 401.1267294717.

The spelling of 64542355 in words is "sixty-four million, five hundred forty-two thousand, three hundred fifty-five".