53439066 has 48 divisors (see below), whose sum is σ = 119318784. Its totient is φ = 17278272.

The previous prime is 53439059. The next prime is 53439079. The reversal of 53439066 is 66093435.

It is a self number, because there is not a number n which added to its sum of digits gives 53439066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87735 + ... + 88341.

It is an arithmetic number, because the mean of its divisors is an integer number (2485808).

Almost surely, 2^53439066 is an apocalyptic number.

53439066 is an abundant number, since it is smaller than the sum of its proper divisors (65879718).

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

53439066 is a wasteful number, since it uses less digits than its factorization.

53439066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 53439066 is about 7310.2028699620. The cubic root of 53439066 is about 376.6629929768.

The spelling of 53439066 in words is "fifty-three million, four hundred thirty-nine thousand, sixty-six".