103456553 has 4 divisors (see below), whose sum is σ = 107954688. Its totient is φ = 98958420.

The previous prime is 103456531. The next prime is 103456597. The reversal of 103456553 is 355654301.

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: 355654301 = 59 ⋅6028039.

It is not a de Polignac number, because 103456553 - 2¹⁰ = 103455529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103456153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249033 + ... + 2249078.

It is an arithmetic number, because the mean of its divisors is an integer number (26988672).

Almost surely, 2^103456553 is an apocalyptic number.

It is an amenable number.

103456553 is a deficient number, since it is larger than the sum of its proper divisors (4498135).

103456553 is an equidigital number, since it uses as much as digits as its factorization.

103456553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498134.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 103456553 is about 10171.3594469963. The cubic root of 103456553 is about 469.4463875409.

The spelling of 103456553 in words is "one hundred three million, four hundred fifty-six thousand, five hundred fifty-three".