544921753 has 4 divisors (see below), whose sum is σ = 547093008. Its totient is φ = 542750500.

The previous prime is 544921733. The next prime is 544921763. The reversal of 544921753 is 357129445.

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: 357129445 = 5 ⋅71425889.

It is a cyclic number.

It is not a de Polignac number, because 544921753 - 2⁵ = 544921721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544921733) 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, 1085251 + ... + 1085752.

It is an arithmetic number, because the mean of its divisors is an integer number (136773252).

Almost surely, 2^544921753 is an apocalyptic number.

It is an amenable number.

544921753 is a deficient number, since it is larger than the sum of its proper divisors (2171255).

544921753 is a wasteful number, since it uses less digits than its factorization.

544921753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171254.

The product of its digits is 151200, while the sum is 40.

The square root of 544921753 is about 23343.5591330885. The cubic root of 544921753 is about 816.7918236800.

The spelling of 544921753 in words is "five hundred forty-four million, nine hundred twenty-one thousand, seven hundred fifty-three".