53566004 has 6 divisors (see below), whose sum is σ = 93740514. Its totient is φ = 26783000.

The previous prime is 53565961. The next prime is 53566027. The reversal of 53566004 is 40066535.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 2729104 = 7130^2 + 1652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695747 + ... + 6695754.

It is an arithmetic number, because the mean of its divisors is an integer number (15623419).

Almost surely, 2^53566004 is an apocalyptic number.

It is an amenable number.

53566004 is a deficient number, since it is larger than the sum of its proper divisors (40174510).

53566004 is a wasteful number, since it uses less digits than its factorization.

53566004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391505 (or 13391503 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 53566004 is about 7318.8799689570. The cubic root of 53566004 is about 376.9609961830.

The spelling of 53566004 in words is "fifty-three million, five hundred sixty-six thousand, four".