53490067 has 4 divisors (see below), whose sum is σ = 53585640. Its totient is φ = 53394496.

The previous prime is 53490061. The next prime is 53490071. The reversal of 53490067 is 76009435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53490067 is a prime.

It is a super-2 number, since 2×53490067² = 5722374535328978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53490061) 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 3 ways as a sum of consecutive naturals, for example, 46942 + ... + 48067.

It is an arithmetic number, because the mean of its divisors is an integer number (13396410).

Almost surely, 2^53490067 is an apocalyptic number.

53490067 is a deficient number, since it is larger than the sum of its proper divisors (95573).

53490067 is an equidigital number, since it uses as much as digits as its factorization.

53490067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95572.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 53490067 is about 7313.6903817430. The cubic root of 53490067 is about 376.7827810066.

It can be divided in two parts, 534 and 90067, that added together give a square (90601 = 301²).

The spelling of 53490067 in words is "fifty-three million, four hundred ninety thousand, sixty-seven".