53102553 has 32 divisors (see below), whose sum is σ = 82790400. Its totient is φ = 29652480.

The previous prime is 53102551. The next prime is 53102563. The reversal of 53102553 is 35520135.

It is not a de Polignac number, because 53102553 - 2¹ = 53102551 is a prime.

It is a super-2 number, since 2×53102553² = 5639762270235618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53102551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266748 + ... + 266946.

It is an arithmetic number, because the mean of its divisors is an integer number (2587200).

Almost surely, 2^53102553 is an apocalyptic number.

It is an amenable number.

53102553 is a deficient number, since it is larger than the sum of its proper divisors (29687847).

53102553 is a wasteful number, since it uses less digits than its factorization.

53102553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53102553 is about 7287.1498543669. The cubic root of 53102553 is about 375.8706950313.

Adding to 53102553 its reverse (35520135), we get a palindrome (88622688).

The spelling of 53102553 in words is "fifty-three million, one hundred two thousand, five hundred fifty-three".