53520570324251 has 36 divisors (see below), whose sum is σ = 60058965952440. Its totient is φ = 47677285601280.

The previous prime is 53520570324241. The next prime is 53520570324301. The reversal of 53520570324251 is 15242307502535.

It is not a de Polignac number, because 53520570324251 - 2⁴² = 49122523813147 is a prime.

It is a super-2 number, since 2×53520570324251² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53520570324241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113587835 + ... + 114058043.

It is an arithmetic number, because the mean of its divisors is an integer number (1668304609790).

Almost surely, 2^{53520570324251} is an apocalyptic number.

53520570324251 is a deficient number, since it is larger than the sum of its proper divisors (6538395628189).

53520570324251 is a wasteful number, since it uses less digits than its factorization.

53520570324251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471372 (or 471336 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 44.

Adding to 53520570324251 its reverse (15242307502535), we get a palindrome (68762877826786).

The spelling of 53520570324251 in words is "fifty-three trillion, five hundred twenty billion, five hundred seventy million, three hundred twenty-four thousand, two hundred fifty-one".