47440553 has 2 divisors, whose sum is σ = 47440554. Its totient is φ = 47440552.

The previous prime is 47440541. The next prime is 47440573. The reversal of 47440553 is 35504474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39100009 + 8340544 = 6253^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 47440553 - 2⁸ = 47440297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47440573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23720276 + 23720277.

It is an arithmetic number, because the mean of its divisors is an integer number (23720277).

Almost surely, 2^47440553 is an apocalyptic number.

It is an amenable number.

47440553 is a deficient number, since it is larger than the sum of its proper divisors (1).

47440553 is an equidigital number, since it uses as much as digits as its factorization.

47440553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 47440553 is about 6887.7102871709. The cubic root of 47440553 is about 362.0066770235.

The spelling of 47440553 in words is "forty-seven million, four hundred forty thousand, five hundred fifty-three".