53434442 has 4 divisors (see below), whose sum is σ = 80151666. Its totient is φ = 26717220.

The previous prime is 53434427. The next prime is 53434457. The reversal of 53434442 is 24443435.

53434442 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, and also an emirpimes, since its reverse is a distinct semiprime: 24443435 = 5 ⋅4888687.

It is an interprime number because it is at equal distance from previous prime (53434427) and next prime (53434457).

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 2725801 = 7121^2 + 1651^2 .

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, 13358609 + ... + 13358612.

Almost surely, 2^53434442 is an apocalyptic number.

53434442 is a deficient number, since it is larger than the sum of its proper divisors (26717224).

53434442 is a wasteful number, since it uses less digits than its factorization.

53434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26717223.

The product of its digits is 23040, while the sum is 29.

The square root of 53434442 is about 7309.8865928276. The cubic root of 53434442 is about 376.6521286407.

Adding to 53434442 its reverse (24443435), we get a palindrome (77877877).

The spelling of 53434442 in words is "fifty-three million, four hundred thirty-four thousand, four hundred forty-two".