54256749 has 8 divisors (see below), whose sum is σ = 72576192. Its totient is φ = 36054240.

The previous prime is 54256733. The next prime is 54256757. The reversal of 54256749 is 94765245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54256749 - 2⁴ = 54256733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54256749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54256049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28144 + ... + 30009.

It is an arithmetic number, because the mean of its divisors is an integer number (9072024).

Almost surely, 2^54256749 is an apocalyptic number.

It is an amenable number.

54256749 is a deficient number, since it is larger than the sum of its proper divisors (18319443).

54256749 is a wasteful number, since it uses less digits than its factorization.

54256749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58467.

The product of its digits is 302400, while the sum is 42.

The square root of 54256749 is about 7365.9180690529. The cubic root of 54256749 is about 378.5744115244.

It can be divided in two parts, 542 and 56749, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 54256749 in words is "fifty-four million, two hundred fifty-six thousand, seven hundred forty-nine".