53515053 has 16 divisors (see below), whose sum is σ = 79516800. Its totient is φ = 35570880.

The previous prime is 53515037. The next prime is 53515057. The reversal of 53515053 is 35051535.

It is not a de Polignac number, because 53515053 - 2⁴ = 53515037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53515057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6933 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (4969800).

Almost surely, 2^53515053 is an apocalyptic number.

It is an amenable number.

53515053 is a deficient number, since it is larger than the sum of its proper divisors (26001747).

53515053 is a wasteful number, since it uses less digits than its factorization.

53515053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 53515053 is about 7315.3983486889. The cubic root of 53515053 is about 376.8414388074.

Adding to 53515053 its reverse (35051535), we get a palindrome (88566588).

It can be divided in two parts, 5351 and 5053, that added together give a square (10404 = 102²).

The spelling of 53515053 in words is "fifty-three million, five hundred fifteen thousand, fifty-three".