52054981 has 4 divisors (see below), whose sum is σ = 56787264. Its totient is φ = 47322700.

The previous prime is 52054973. The next prime is 52054987. The reversal of 52054981 is 18945025.

52054981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52054981 - 2³ = 52054973 is a prime.

It is a super-2 number, since 2×52054981² = 5419442093820722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52054987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366125 + ... + 2366146.

It is an arithmetic number, because the mean of its divisors is an integer number (14196816).

Almost surely, 2^52054981 is an apocalyptic number.

It is an amenable number.

52054981 is a deficient number, since it is larger than the sum of its proper divisors (4732283).

52054981 is a wasteful number, since it uses less digits than its factorization.

52054981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732282.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 52054981 is about 7214.9137901987. The cubic root of 52054981 is about 373.3826188299.

It can be divided in two parts, 52054 and 981, that added together give a palindrome (53035).

The spelling of 52054981 in words is "fifty-two million, fifty-four thousand, nine hundred eighty-one".