54652921 has 4 divisors (see below), whose sum is σ = 54980352. Its totient is φ = 54325492.

The previous prime is 54652883. The next prime is 54652967. The reversal of 54652921 is 12925645.

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: 12925645 = 5 ⋅2585129.

It is a cyclic number.

It is not a de Polignac number, because 54652921 - 2²⁵ = 21098489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54652981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163465 + ... + 163798.

It is an arithmetic number, because the mean of its divisors is an integer number (13745088).

Almost surely, 2^54652921 is an apocalyptic number.

It is an amenable number.

54652921 is a deficient number, since it is larger than the sum of its proper divisors (327431).

54652921 is a wasteful number, since it uses less digits than its factorization.

54652921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327430.

The product of its digits is 21600, while the sum is 34.

The square root of 54652921 is about 7392.7613920645. The cubic root of 54652921 is about 379.4936029329.

The spelling of 54652921 in words is "fifty-four million, six hundred fifty-two thousand, nine hundred twenty-one".