58534640 has 20 divisors (see below), whose sum is σ = 136093224. Its totient is φ = 23413824.

The previous prime is 58534633. The next prime is 58534643. The reversal of 58534640 is 4643585.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 58534640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58534643) 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, 365762 + ... + 365921.

Almost surely, 2^58534640 is an apocalyptic number.

It is an amenable number.

58534640 is an abundant number, since it is smaller than the sum of its proper divisors (77558584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58534640 is a wasteful number, since it uses less digits than its factorization.

58534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731696 (or 731690 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 58534640 is about 7650.7934229072. The cubic root of 58534640 is about 388.2734105791.

The spelling of 58534640 in words is "fifty-eight million, five hundred thirty-four thousand, six hundred forty".