13457553 has 32 divisors (see below), whose sum is σ = 19740672. Its totient is φ = 8131200.

The previous prime is 13457551. The next prime is 13457579. The reversal of 13457553 is 35575431.

It is not a de Polignac number, because 13457553 - 2¹ = 13457551 is a prime.

It is a super-2 number, since 2×13457553² = 362211465495618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13457551) 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 31 ways as a sum of consecutive naturals, for example, 189508 + ... + 189578.

It is an arithmetic number, because the mean of its divisors is an integer number (616896).

Almost surely, 2^13457553 is an apocalyptic number.

It is an amenable number.

13457553 is a deficient number, since it is larger than the sum of its proper divisors (6283119).

13457553 is a wasteful number, since it uses less digits than its factorization.

13457553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 31500, while the sum is 33.

The square root of 13457553 is about 3668.4537614641. The cubic root of 13457553 is about 237.8603386999.

The spelling of 13457553 in words is "thirteen million, four hundred fifty-seven thousand, five hundred fifty-three".