53453402 has 16 divisors (see below), whose sum is σ = 81332160. Its totient is φ = 26345088.

The previous prime is 53453377. The next prime is 53453443. The reversal of 53453402 is 20435435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73163 + ... + 73889.

It is an arithmetic number, because the mean of its divisors is an integer number (5083260).

Almost surely, 2^53453402 is an apocalyptic number.

53453402 is a deficient number, since it is larger than the sum of its proper divisors (27878758).

53453402 is a wasteful number, since it uses less digits than its factorization.

53453402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53453402 is about 7311.1833515512. The cubic root of 53453402 is about 376.6966721948.

Adding to 53453402 its reverse (20435435), we get a palindrome (73888837).

The spelling of 53453402 in words is "fifty-three million, four hundred fifty-three thousand, four hundred two".