64554087 has 16 divisors (see below), whose sum is σ = 95891040. Its totient is φ = 38355072.

The previous prime is 64554071. The next prime is 64554089. The reversal of 64554087 is 78045546.

64554087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64554087 - 2⁴ = 64554071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64554089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27408 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (5993190).

Almost surely, 2^64554087 is an apocalyptic number.

64554087 is a deficient number, since it is larger than the sum of its proper divisors (31336953).

64554087 is a wasteful number, since it uses less digits than its factorization.

64554087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57122.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 64554087 is about 8034.5558060169. Note that the first 3 decimals coincide. The cubic root of 64554087 is about 401.1510325498.

The spelling of 64554087 in words is "sixty-four million, five hundred fifty-four thousand, eighty-seven".