53142553 has 4 divisors (see below), whose sum is σ = 53244688. Its totient is φ = 53040420.

The previous prime is 53142547. The next prime is 53142599. The reversal of 53142553 is 35524135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53142553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53142253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50283 + ... + 51328.

It is an arithmetic number, because the mean of its divisors is an integer number (13311172).

Almost surely, 2^53142553 is an apocalyptic number.

It is an amenable number.

53142553 is a deficient number, since it is larger than the sum of its proper divisors (102135).

53142553 is a wasteful number, since it uses less digits than its factorization.

53142553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102134.

The product of its digits is 9000, while the sum is 28.

The square root of 53142553 is about 7289.8938949754. The cubic root of 53142553 is about 375.9650473960.

Adding to 53142553 its reverse (35524135), we get a palindrome (88666688).

The spelling of 53142553 in words is "fifty-three million, one hundred forty-two thousand, five hundred fifty-three".