53464921 has 2 divisors, whose sum is σ = 53464922. Its totient is φ = 53464920.

The previous prime is 53464913. The next prime is 53464967. The reversal of 53464921 is 12946435.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 6734025 = 6836^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 53464921 - 2³ = 53464913 is a prime.

It is not a weakly prime, because it can be changed into another prime (53465921) 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 as a sum of consecutive naturals, namely, 26732460 + 26732461.

It is an arithmetic number, because the mean of its divisors is an integer number (26732461).

Almost surely, 2^53464921 is an apocalyptic number.

It is an amenable number.

53464921 is a deficient number, since it is larger than the sum of its proper divisors (1).

53464921 is an equidigital number, since it uses as much as digits as its factorization.

53464921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 53464921 is about 7311.9710748881. The cubic root of 53464921 is about 376.7237291401.

The spelling of 53464921 in words is "fifty-three million, four hundred sixty-four thousand, nine hundred twenty-one".