53152524421 has 2 divisors, whose sum is σ = 53152524422. Its totient is φ = 53152524420.

The previous prime is 53152524409. The next prime is 53152524497. The reversal of 53152524421 is 12442525135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51431436225 + 1721088196 = 226785^2 + 41486^2 .

It is a cyclic number.

It is not a de Polignac number, because 53152524421 - 2¹¹ = 53152522373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53152524221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26576262210 + 26576262211.

It is an arithmetic number, because the mean of its divisors is an integer number (26576262211).

Almost surely, 2^53152524421 is an apocalyptic number.

It is an amenable number.

53152524421 is a deficient number, since it is larger than the sum of its proper divisors (1).

53152524421 is an equidigital number, since it uses as much as digits as its factorization.

53152524421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 34.

The spelling of 53152524421 in words is "fifty-three billion, one hundred fifty-two million, five hundred twenty-four thousand, four hundred twenty-one".