53454489 has 16 divisors (see below), whose sum is σ = 77886144. Its totient is φ = 32340800.

The previous prime is 53454449. The next prime is 53454491. The reversal of 53454489 is 98445435.

It is a cyclic number.

It is not a de Polignac number, because 53454489 - 2¹⁶ = 53388953 is a prime.

It is a super-2 number, since 2×53454489² = 5714764788502242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53454489.

It is not an unprimeable number, because it can be changed into a prime (53454439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26107 + ... + 28079.

It is an arithmetic number, because the mean of its divisors is an integer number (4867884).

Almost surely, 2^53454489 is an apocalyptic number.

It is an amenable number.

53454489 is a deficient number, since it is larger than the sum of its proper divisors (24431655).

53454489 is a wasteful number, since it uses less digits than its factorization.

53454489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its digits is 345600, while the sum is 42.

The square root of 53454489 is about 7311.2576893446. The cubic root of 53454489 is about 376.6992256120.

The spelling of 53454489 in words is "fifty-three million, four hundred fifty-four thousand, four hundred eighty-nine".