54921297 has 4 divisors (see below), whose sum is σ = 73228400. Its totient is φ = 36614196.

The previous prime is 54921253. The next prime is 54921313. The reversal of 54921297 is 79212945.

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 54921297 - 2¹⁶ = 54855761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54921397) 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, 9153547 + ... + 9153552.

It is an arithmetic number, because the mean of its divisors is an integer number (18307100).

Almost surely, 2^54921297 is an apocalyptic number.

It is an amenable number.

54921297 is a deficient number, since it is larger than the sum of its proper divisors (18307103).

54921297 is a wasteful number, since it uses less digits than its factorization.

54921297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307102.

The product of its digits is 45360, while the sum is 39.

The square root of 54921297 is about 7410.8904323300. The cubic root of 54921297 is about 380.1137632608.

The spelling of 54921297 in words is "fifty-four million, nine hundred twenty-one thousand, two hundred ninety-seven".