54491529 has 4 divisors (see below), whose sum is σ = 72655376. Its totient is φ = 36327684.

The previous prime is 54491527. The next prime is 54491539. The reversal of 54491529 is 92519445.

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.

It is not a de Polignac number, because 54491529 - 2¹ = 54491527 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54491527) 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, 9081919 + ... + 9081924.

It is an arithmetic number, because the mean of its divisors is an integer number (18163844).

Almost surely, 2^54491529 is an apocalyptic number.

It is an amenable number.

54491529 is a deficient number, since it is larger than the sum of its proper divisors (18163847).

54491529 is a wasteful number, since it uses less digits than its factorization.

54491529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18163846.

The product of its digits is 64800, while the sum is 39.

The square root of 54491529 is about 7381.8377793067. The cubic root of 54491529 is about 379.1196819667.

The spelling of 54491529 in words is "fifty-four million, four hundred ninety-one thousand, five hundred twenty-nine".