53456361 has 16 divisors (see below), whose sum is σ = 81598464. Its totient is φ = 30493584.

The previous prime is 53456357. The next prime is 53456387. The reversal of 53456361 is 16365435.

It is not a de Polignac number, because 53456361 - 2² = 53456357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53456311) 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 15 ways as a sum of consecutive naturals, for example, 12480 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (5099904).

Almost surely, 2^53456361 is an apocalyptic number.

It is an amenable number.

53456361 is a deficient number, since it is larger than the sum of its proper divisors (28142103).

53456361 is a wasteful number, since it uses less digits than its factorization.

53456361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420.

The product of its digits is 32400, while the sum is 33.

The square root of 53456361 is about 7311.3857099732. The cubic root of 53456361 is about 376.7036229522.

The spelling of 53456361 in words is "fifty-three million, four hundred fifty-six thousand, three hundred sixty-one".