105048553 has 4 divisors (see below), whose sum is σ = 108437248. Its totient is φ = 101659860.

The previous prime is 105048551. The next prime is 105048557. The reversal of 105048553 is 355840501.

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: 355840501 = 773 ⋅460337.

It is a cyclic number.

It is not a de Polignac number, because 105048553 - 2¹ = 105048551 is a prime.

It is a super-2 number, since 2×105048553² = 22070396974787618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3388663 = 105048553 / (1 + 0 + 5 + 0 + 4 + 8 + 5 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105048551) 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, 1694301 + ... + 1694362.

It is an arithmetic number, because the mean of its divisors is an integer number (27109312).

Almost surely, 2^105048553 is an apocalyptic number.

It is an amenable number.

105048553 is a deficient number, since it is larger than the sum of its proper divisors (3388695).

105048553 is an equidigital number, since it uses as much as digits as its factorization.

105048553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388694.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 105048553 is about 10249.3196359563. The cubic root of 105048553 is about 471.8421037138.

The spelling of 105048553 in words is "one hundred five million, forty-eight thousand, five hundred fifty-three".