54172567 has 4 divisors (see below), whose sum is σ = 56527920. Its totient is φ = 51817216.

The previous prime is 54172549. The next prime is 54172583. The reversal of 54172567 is 76527145.

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

It is a cyclic number.

It is not a de Polignac number, because 54172567 - 2¹⁹ = 53648279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54172967) 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, 1177642 + ... + 1177687.

It is an arithmetic number, because the mean of its divisors is an integer number (14131980).

Almost surely, 2^54172567 is an apocalyptic number.

54172567 is a deficient number, since it is larger than the sum of its proper divisors (2355353).

54172567 is a wasteful number, since it uses less digits than its factorization.

54172567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355352.

The product of its digits is 58800, while the sum is 37.

The square root of 54172567 is about 7360.2015597401. The cubic root of 54172567 is about 378.3785179376.

The spelling of 54172567 in words is "fifty-four million, one hundred seventy-two thousand, five hundred sixty-seven".