53644124152621 has 8 divisors (see below), whose sum is σ = 55976862605184. Its totient is φ = 51311417802480.

The previous prime is 53644124152601. The next prime is 53644124152651. The reversal of 53644124152621 is 12625142144635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53644124152621 - 2⁵ = 53644124152589 is a prime.

It is a super-2 number, since 2×53644124152621² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53644124152601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579390 + ... + 11325151.

It is an arithmetic number, because the mean of its divisors is an integer number (6997107825648).

Almost surely, 2^{53644124152621} is an apocalyptic number.

It is an amenable number.

53644124152621 is a deficient number, since it is larger than the sum of its proper divisors (2332738452563).

53644124152621 is a wasteful number, since it uses less digits than its factorization.

53644124152621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16051211.

The product of its digits is 1382400, while the sum is 46.

The spelling of 53644124152621 in words is "fifty-three trillion, six hundred forty-four billion, one hundred twenty-four million, one hundred fifty-two thousand, six hundred twenty-one".