66058552 has 32 divisors (see below), whose sum is σ = 143025120. Its totient is φ = 28016640.

The previous prime is 66058541. The next prime is 66058567. The reversal of 66058552 is 25585066.

66058552 is nontrivially palindromic in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (4469535).

Almost surely, 2^66058552 is an apocalyptic number.

It is an amenable number.

66058552 is an abundant number, since it is smaller than the sum of its proper divisors (76966568).

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

66058552 is a wasteful number, since it uses less digits than its factorization.

66058552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 66058552 is about 8127.6412322395. The cubic root of 66058552 is about 404.2434731464.

The spelling of 66058552 in words is "sixty-six million, fifty-eight thousand, five hundred fifty-two".