10720553 has 8 divisors (see below), whose sum is σ = 11225088. Its totient is φ = 10219264.

The previous prime is 10720531. The next prime is 10720573. The reversal of 10720553 is 35502701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10720553 - 2¹⁶ = 10655017 is a prime.

It is a super-2 number, since 2×10720553² = 229860513251618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10720573) 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 7 ways as a sum of consecutive naturals, for example, 8201 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^10720553 is an apocalyptic number.

It is an amenable number.

10720553 is a deficient number, since it is larger than the sum of its proper divisors (504535).

10720553 is a wasteful number, since it uses less digits than its factorization.

10720553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 10720553 is about 3274.2255572883. The cubic root of 10720553 is about 220.4985456924.

It can be divided in two parts, 107205 and 53, that multiplied together give a palindrome (5681865).

The spelling of 10720553 in words is "ten million, seven hundred twenty thousand, five hundred fifty-three".