54381597 has 4 divisors (see below), whose sum is σ = 72508800. Its totient is φ = 36254396.

The previous prime is 54381577. The next prime is 54381599. The reversal of 54381597 is 79518345.

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 a cyclic number.

It is not a de Polignac number, because 54381597 - 2¹² = 54377501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54381599) 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, 9063597 + ... + 9063602.

It is an arithmetic number, because the mean of its divisors is an integer number (18127200).

Almost surely, 2^54381597 is an apocalyptic number.

It is an amenable number.

54381597 is a deficient number, since it is larger than the sum of its proper divisors (18127203).

54381597 is a wasteful number, since it uses less digits than its factorization.

54381597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127202.

The product of its digits is 151200, while the sum is 42.

The square root of 54381597 is about 7374.3879068028. The cubic root of 54381597 is about 378.8645631501.

The spelling of 54381597 in words is "fifty-four million, three hundred eighty-one thousand, five hundred ninety-seven".