53339994 has 12 divisors (see below), whose sum is σ = 115570026. Its totient is φ = 17779992.

The previous prime is 53339983. The next prime is 53340037. The reversal of 53339994 is 49993335.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 12852225 = 6363^2 + 3585^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1481649 + ... + 1481684.

Almost surely, 2^53339994 is an apocalyptic number.

53339994 is an abundant number, since it is smaller than the sum of its proper divisors (62230032).

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

53339994 is a wasteful number, since it uses less digits than its factorization.

53339994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963341 (or 2963338 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 53339994 is about 7303.4234438378. The cubic root of 53339994 is about 376.4300807184.

The spelling of 53339994 in words is "fifty-three million, three hundred thirty-nine thousand, nine hundred ninety-four".