66252054 has 16 divisors (see below), whose sum is σ = 144550080. Its totient is φ = 20076360.

The previous prime is 66252047. The next prime is 66252083. The reversal of 66252054 is 45025266.

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, 501844 + ... + 501975.

It is an arithmetic number, because the mean of its divisors is an integer number (9034380).

Almost surely, 2^66252054 is an apocalyptic number.

66252054 is an abundant number, since it is smaller than the sum of its proper divisors (78298026).

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

66252054 is a wasteful number, since it uses less digits than its factorization.

66252054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003835.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 66252054 is about 8139.5364732889. The cubic root of 66252054 is about 404.6377984081.

The spelling of 66252054 in words is "sixty-six million, two hundred fifty-two thousand, fifty-four".