53544947 has 2 divisors, whose sum is σ = 53544948. Its totient is φ = 53544946.

The previous prime is 53544929. The next prime is 53544949. The reversal of 53544947 is 74944535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53544947 - 2¹⁰ = 53543923 is a prime.

It is a super-2 number, since 2×53544947² = 5734122698465618, which contains 22 as substring.

Together with 53544949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53544949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772473 + 26772474.

It is an arithmetic number, because the mean of its divisors is an integer number (26772474).

Almost surely, 2^53544947 is an apocalyptic number.

53544947 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544947 is an equidigital number, since it uses as much as digits as its factorization.

53544947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 53544947 is about 7317.4412877727. The cubic root of 53544947 is about 376.9115947751.

It can be divided in two parts, 5354 and 4947, that added together give a palindrome (10301).

The spelling of 53544947 in words is "fifty-three million, five hundred forty-four thousand, nine hundred forty-seven".