54357243 has 4 divisors (see below), whose sum is σ = 72476328. Its totient is φ = 36238160.

The previous prime is 54357241. The next prime is 54357253. The reversal of 54357243 is 34275345.

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 54357243 - 2¹ = 54357241 is a prime.

It is a super-2 number, since 2×54357243² = 5909419733122098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54357241) 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, 9059538 + ... + 9059543.

It is an arithmetic number, because the mean of its divisors is an integer number (18119082).

Almost surely, 2^54357243 is an apocalyptic number.

54357243 is a deficient number, since it is larger than the sum of its proper divisors (18119085).

54357243 is a wasteful number, since it uses less digits than its factorization.

54357243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18119084.

The product of its digits is 50400, while the sum is 33.

The square root of 54357243 is about 7372.7364661976. The cubic root of 54357243 is about 378.8079983942.

The spelling of 54357243 in words is "fifty-four million, three hundred fifty-seven thousand, two hundred forty-three".