64552534 has 8 divisors (see below), whose sum is σ = 97787808. Its totient is φ = 31956600.

The previous prime is 64552483. The next prime is 64552541. The reversal of 64552534 is 43525546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64552534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159582 + ... + 159985.

It is an arithmetic number, because the mean of its divisors is an integer number (12223476).

Almost surely, 2^64552534 is an apocalyptic number.

64552534 is a deficient number, since it is larger than the sum of its proper divisors (33235274).

64552534 is a wasteful number, since it uses less digits than its factorization.

64552534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319670.

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

The square root of 64552534 is about 8034.4591603916. The cubic root of 64552534 is about 401.1478156476.

The spelling of 64552534 in words is "sixty-four million, five hundred fifty-two thousand, five hundred thirty-four".