53538629058243 has 12 divisors (see below), whose sum is σ = 88381228921648. Its totient is φ = 30593502318960.

The previous prime is 53538629058223. The next prime is 53538629058263. The reversal of 53538629058243 is 34285092683535.

53538629058243 is a `hidden beast` number, since 5 + 3 + 5 + 3 + 8 + 6 + 2 + 9 + 0 + 582 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (53538629058223) and next prime (53538629058263).

It is not a de Polignac number, because 53538629058243 - 2³⁰ = 53537555316419 is a prime.

It is a super-2 number, since 2×53538629058243² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 849819508861 = 53538629058243 / (5 + 3 + 5 + 3 + 8 + 6 + 2 + 9 + 0 + 5 + 8 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53538629058223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424909754368 + ... + 424909754493.

Almost surely, 2^{53538629058243} is an apocalyptic number.

53538629058243 is a deficient number, since it is larger than the sum of its proper divisors (34842599863405).

53538629058243 is a wasteful number, since it uses less digits than its factorization.

53538629058243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849819508874 (or 849819508871 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 63.

The spelling of 53538629058243 in words is "fifty-three trillion, five hundred thirty-eight billion, six hundred twenty-nine million, fifty-eight thousand, two hundred forty-three".