47577513 has 16 divisors (see below), whose sum is σ = 64532480. Its totient is φ = 31174416.

The previous prime is 47577473. The next prime is 47577587. The reversal of 47577513 is 31577574.

It is not a de Polignac number, because 47577513 - 2⁹ = 47577001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47577613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86706 + ... + 87252.

It is an arithmetic number, because the mean of its divisors is an integer number (4033280).

Almost surely, 2^47577513 is an apocalyptic number.

It is an amenable number.

47577513 is a deficient number, since it is larger than the sum of its proper divisors (16954967).

47577513 is a wasteful number, since it uses less digits than its factorization.

47577513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 102900, while the sum is 39.

The square root of 47577513 is about 6897.6454678390. The cubic root of 47577513 is about 362.3547111780.

The spelling of 47577513 in words is "forty-seven million, five hundred seventy-seven thousand, five hundred thirteen".