54529913 has 4 divisors (see below), whose sum is σ = 55423908. Its totient is φ = 53635920.

The previous prime is 54529903. The next prime is 54529919. The reversal of 54529913 is 31992545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13017664 + 41512249 = 3608^2 + 6443^2 .

It is a cyclic number.

It is not a de Polignac number, because 54529913 - 2¹⁰ = 54528889 is a prime.

It is a super-2 number, since 2×54529913² = 5947022823575138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54529919) 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, 446906 + ... + 447027.

It is an arithmetic number, because the mean of its divisors is an integer number (13855977).

Almost surely, 2^54529913 is an apocalyptic number.

It is an amenable number.

54529913 is a deficient number, since it is larger than the sum of its proper divisors (893995).

54529913 is an equidigital number, since it uses as much as digits as its factorization.

54529913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893994.

The product of its digits is 48600, while the sum is 38.

The square root of 54529913 is about 7384.4372162000. The cubic root of 54529913 is about 379.2086787620.

The spelling of 54529913 in words is "fifty-four million, five hundred twenty-nine thousand, nine hundred thirteen".