53464981 has 8 divisors (see below), whose sum is σ = 54326360. Its totient is φ = 52607232.

The previous prime is 53464979. The next prime is 53465003. The reversal of 53464981 is 18946435.

It can be written as a sum of positive squares in 4 ways, for example, as 13205956 + 40259025 = 3634^2 + 6345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53464981 - 2¹ = 53464979 is a prime.

It is a super-2 number, since 2×53464981² = 5717008386660722, 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 (53464921) 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 7 ways as a sum of consecutive naturals, for example, 51241 + ... + 52273.

It is an arithmetic number, because the mean of its divisors is an integer number (6790795).

Almost surely, 2^53464981 is an apocalyptic number.

It is an amenable number.

53464981 is a deficient number, since it is larger than the sum of its proper divisors (861379).

53464981 is a wasteful number, since it uses less digits than its factorization.

53464981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its digits is 103680, while the sum is 40.

The square root of 53464981 is about 7311.9751777478. The cubic root of 53464981 is about 376.7238700637.

It can be divided in two parts, 53464 and 981, that added together give a palindrome (54445).

The spelling of 53464981 in words is "fifty-three million, four hundred sixty-four thousand, nine hundred eighty-one".