51553352524535 has 4 divisors (see below), whose sum is σ = 61864023029448. Its totient is φ = 41242682019624.

The previous prime is 51553352524511. The next prime is 51553352524547. The reversal of 51553352524535 is 53542525335515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51553352524535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5155335252449 + ... + 5155335252458.

It is an arithmetic number, because the mean of its divisors is an integer number (15466005757362).

Almost surely, 2^{51553352524535} is an apocalyptic number.

51553352524535 is a deficient number, since it is larger than the sum of its proper divisors (10310670504913).

51553352524535 is a wasteful number, since it uses less digits than its factorization.

51553352524535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310670504912.

The product of its digits is 33750000, while the sum is 53.

The spelling of 51553352524535 in words is "fifty-one trillion, five hundred fifty-three billion, three hundred fifty-two million, five hundred twenty-four thousand, five hundred thirty-five".