47561387533 has 8 divisors (see below), whose sum is σ = 51886862496. Its totient is φ = 43236198000.

The previous prime is 47561387521. The next prime is 47561387539. The reversal of 47561387533 is 33578316574.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47561387533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47561387539) 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, 430635 + ... + 529687.

It is an arithmetic number, because the mean of its divisors is an integer number (6485857812).

Almost surely, 2^47561387533 is an apocalyptic number.

It is an amenable number.

47561387533 is a deficient number, since it is larger than the sum of its proper divisors (4325474963).

47561387533 is a wasteful number, since it uses less digits than its factorization.

47561387533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142715.

The product of its digits is 6350400, while the sum is 52.

The spelling of 47561387533 in words is "forty-seven billion, five hundred sixty-one million, three hundred eighty-seven thousand, five hundred thirty-three".