53513442 has 12 divisors (see below), whose sum is σ = 115945830. Its totient is φ = 17837808.

The previous prime is 53513429. The next prime is 53513461. The reversal of 53513442 is 24431535.

It can be written as a sum of positive squares in only one way, i.e., 33074001 + 20439441 = 5751^2 + 4521^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1486467 + ... + 1486502.

Almost surely, 2^53513442 is an apocalyptic number.

53513442 is an abundant number, since it is smaller than the sum of its proper divisors (62432388).

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

53513442 is a wasteful number, since it uses less digits than its factorization.

53513442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972977 (or 2972974 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 53513442 is about 7315.2882376568. The cubic root of 53513442 is about 376.8376573315.

Adding to 53513442 its reverse (24431535), we get a palindrome (77944977).

The spelling of 53513442 in words is "fifty-three million, five hundred thirteen thousand, four hundred forty-two".