53486961 has 12 divisors (see below), whose sum is σ = 78389136. Its totient is φ = 32416120.

The previous prime is 53486921. The next prime is 53486989. The reversal of 53486961 is 16968435.

It is not a de Polignac number, because 53486961 - 2⁷ = 53486833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53486921) 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 11 ways as a sum of consecutive naturals, for example, 73311 + ... + 74036.

It is an arithmetic number, because the mean of its divisors is an integer number (6532428).

Almost surely, 2^53486961 is an apocalyptic number.

It is an amenable number.

53486961 is a deficient number, since it is larger than the sum of its proper divisors (24902175).

53486961 is a wasteful number, since it uses less digits than its factorization.

53486961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147372 (or 147361 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 53486961 is about 7313.4780371585. The cubic root of 53486961 is about 376.7754880016.

The spelling of 53486961 in words is "fifty-three million, four hundred eighty-six thousand, nine hundred sixty-one".