54273747 has 16 divisors (see below), whose sum is σ = 83099520. Its totient is φ = 31161600.

The previous prime is 54273743. The next prime is 54273757. The reversal of 54273747 is 74737245.

It is not a de Polignac number, because 54273747 - 2² = 54273743 is a prime.

It is a super-2 number, since 2×54273747² = 5891279226840018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54273743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42654 + ... + 43907.

It is an arithmetic number, because the mean of its divisors is an integer number (5193720).

Almost surely, 2^54273747 is an apocalyptic number.

54273747 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54273747 is a deficient number, since it is larger than the sum of its proper divisors (28825773).

54273747 is a wasteful number, since it uses less digits than its factorization.

54273747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86594.

The product of its digits is 164640, while the sum is 39.

The square root of 54273747 is about 7367.0718063556. The cubic root of 54273747 is about 378.6139416970.

The spelling of 54273747 in words is "fifty-four million, two hundred seventy-three thousand, seven hundred forty-seven".