457261553 has 4 divisors (see below), whose sum is σ = 522584640. Its totient is φ = 391938468.

The previous prime is 457261549. The next prime is 457261627. The reversal of 457261553 is 355162754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355162754 = 2 ⋅177581377.

It is a cyclic number.

It is not a de Polignac number, because 457261553 - 2² = 457261549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457263553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32661533 + ... + 32661546.

It is an arithmetic number, because the mean of its divisors is an integer number (130646160).

Almost surely, 2^457261553 is an apocalyptic number.

It is an amenable number.

457261553 is a deficient number, since it is larger than the sum of its proper divisors (65323087).

457261553 is an equidigital number, since it uses as much as digits as its factorization.

457261553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65323086.

The product of its digits is 126000, while the sum is 38.

The square root of 457261553 is about 21383.6749180303. The cubic root of 457261553 is about 770.4093808918.

The spelling of 457261553 in words is "four hundred fifty-seven million, two hundred sixty-one thousand, five hundred fifty-three".