52781954 has 16 divisors (see below), whose sum is σ = 80680320. Its totient is φ = 25892880.

The previous prime is 52781947. The next prime is 52781959. The reversal of 52781954 is 45918725.

It is not an unprimeable number, because it can be changed into a prime (52781959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26369 + ... + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (5042520).

Almost surely, 2^52781954 is an apocalyptic number.

52781954 is a deficient number, since it is larger than the sum of its proper divisors (27898366).

52781954 is a wasteful number, since it uses less digits than its factorization.

52781954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its digits is 100800, while the sum is 41.

The square root of 52781954 is about 7265.1189942079. The cubic root of 52781954 is about 375.1127459507.

It can be divided in two parts, 52781 and 954, that added together give a palindrome (53735).

The spelling of 52781954 in words is "fifty-two million, seven hundred eighty-one thousand, nine hundred fifty-four".