47052621 has 48 divisors (see below), whose sum is σ = 86760960. Its totient is φ = 23859360.

The previous prime is 47052613. The next prime is 47052631. The reversal of 47052621 is 12625074.

It is not a de Polignac number, because 47052621 - 2³ = 47052613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47052601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29010 + ... + 30588.

It is an arithmetic number, because the mean of its divisors is an integer number (1807520).

Almost surely, 2^47052621 is an apocalyptic number.

It is an amenable number.

47052621 is a deficient number, since it is larger than the sum of its proper divisors (39708339).

47052621 is a wasteful number, since it uses less digits than its factorization.

47052621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 47052621 is about 6859.4913076700. The cubic root of 47052621 is about 361.0172386598.

Adding to 47052621 its reverse (12625074), we get a palindrome (59677695).

The spelling of 47052621 in words is "forty-seven million, fifty-two thousand, six hundred twenty-one".