53402422 has 4 divisors (see below), whose sum is σ = 80103636. Its totient is φ = 26701210.

The previous prime is 53402411. The next prime is 53402443. The reversal of 53402422 is 22420435.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53402393 and 53402402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350604 + ... + 13350607.

It is an arithmetic number, because the mean of its divisors is an integer number (20025909).

Almost surely, 2^53402422 is an apocalyptic number.

53402422 is a deficient number, since it is larger than the sum of its proper divisors (26701214).

53402422 is a wasteful number, since it uses less digits than its factorization.

53402422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26701213.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 53402422 is about 7307.6960801610. The cubic root of 53402422 is about 376.5768787299.

Adding to 53402422 its reverse (22420435), we get a palindrome (75822857).

It can be divided in two parts, 53402 and 422, that added together give a square (53824 = 232²).

The spelling of 53402422 in words is "fifty-three million, four hundred two thousand, four hundred twenty-two".