53024253521 has 32 divisors (see below), whose sum is σ = 58741905408. Its totient is φ = 47688030720.

The previous prime is 53024253517. The next prime is 53024253559. The reversal of 53024253521 is 12535242035.

It is not a de Polignac number, because 53024253521 - 2² = 53024253517 is a prime.

It is a super-2 number, since 2×53024253521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53024253511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31999325 + ... + 32000981.

It is an arithmetic number, because the mean of its divisors is an integer number (1835684544).

Almost surely, 2^53024253521 is an apocalyptic number.

It is an amenable number.

53024253521 is a deficient number, since it is larger than the sum of its proper divisors (5717651887).

53024253521 is a wasteful number, since it uses less digits than its factorization.

53024253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 53024253521 its reverse (12535242035), we get a palindrome (65559495556).

The spelling of 53024253521 in words is "fifty-three billion, twenty-four million, two hundred fifty-three thousand, five hundred twenty-one".