53011402 has 4 divisors (see below), whose sum is σ = 79517106. Its totient is φ = 26505700.

The previous prime is 53011397. The next prime is 53011421. The reversal of 53011402 is 20411035.

53011402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 9728161 = 6579^2 + 3119^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13252849 + ... + 13252852.

Almost surely, 2^53011402 is an apocalyptic number.

53011402 is a deficient number, since it is larger than the sum of its proper divisors (26505704).

53011402 is a wasteful number, since it uses less digits than its factorization.

53011402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505703.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53011402 is about 7280.8929397430. The cubic root of 53011402 is about 375.6555100757.

Adding to 53011402 its reverse (20411035), we get a palindrome (73422437).

The spelling of 53011402 in words is "fifty-three million, eleven thousand, four hundred two".