53061402 has 32 divisors (see below), whose sum is σ = 109734912. Its totient is φ = 17094704.

The previous prime is 53061401. The next prime is 53061409. The reversal of 53061402 is 20416035.

It is a happy number.

53061402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53061401) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 22273 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (3429216).

Almost surely, 2^53061402 is an apocalyptic number.

53061402 is an abundant number, since it is smaller than the sum of its proper divisors (56673510).

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

53061402 is a wasteful number, since it uses less digits than its factorization.

53061402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53061402 is about 7284.3257752520. The cubic root of 53061402 is about 375.7735782184.

Adding to 53061402 its reverse (20416035), we get a palindrome (73477437).

The spelling of 53061402 in words is "fifty-three million, sixty-one thousand, four hundred two".