53241553432421 has 32 divisors (see below), whose sum is σ = 57127726656000. Its totient is φ = 49467847372992.

The previous prime is 53241553432399. The next prime is 53241553432481. The reversal of 53241553432421 is 12423435514235.

It is not a de Polignac number, because 53241553432421 - 2⁶ = 53241553432357 is a prime.

It is a super-2 number, since 2×53241553432421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53241553432481) 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, 3700663790 + ... + 3700678176.

It is an arithmetic number, because the mean of its divisors is an integer number (1785241458000).

Almost surely, 2^{53241553432421} is an apocalyptic number.

It is an amenable number.

53241553432421 is a deficient number, since it is larger than the sum of its proper divisors (3886173223579).

53241553432421 is a wasteful number, since it uses less digits than its factorization.

53241553432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001.

The product of its digits is 1728000, while the sum is 44.

Adding to 53241553432421 its reverse (12423435514235), we get a palindrome (65664988946656).

The spelling of 53241553432421 in words is "fifty-three trillion, two hundred forty-one billion, five hundred fifty-three million, four hundred thirty-two thousand, four hundred twenty-one".