53130553 has 6 divisors (see below), whose sum is σ = 61804986. Its totient is φ = 45540432.

The previous prime is 53130533. The next prime is 53130563. The reversal of 53130553 is 35503135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 1750329 = 7168^2 + 1323^2 .

It is not a de Polignac number, because 53130553 - 2⁵ = 53130521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53130533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 542100 + ... + 542197.

It is an arithmetic number, because the mean of its divisors is an integer number (10300831).

Almost surely, 2^53130553 is an apocalyptic number.

It is an amenable number.

53130553 is a deficient number, since it is larger than the sum of its proper divisors (8674433).

53130553 is a wasteful number, since it uses less digits than its factorization.

53130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084311 (or 1084304 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 53130553 is about 7289.0707912600. The cubic root of 53130553 is about 375.9367466594.

Adding to 53130553 its reverse (35503135), we get a palindrome (88633688).

The spelling of 53130553 in words is "fifty-three million, one hundred thirty thousand, five hundred fifty-three".