54156749 has 8 divisors (see below), whose sum is σ = 55648320. Its totient is φ = 52684416.

The previous prime is 54156731. The next prime is 54156757. The reversal of 54156749 is 94765145.

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

It is a cyclic number.

It is not a de Polignac number, because 54156749 - 2¹² = 54152653 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 (54156709) 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, 992 + ... + 10454.

It is an arithmetic number, because the mean of its divisors is an integer number (6956040).

Almost surely, 2^54156749 is an apocalyptic number.

54156749 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

54156749 is a deficient number, since it is larger than the sum of its proper divisors (1491571).

54156749 is an equidigital number, since it uses as much as digits as its factorization.

54156749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619.

The product of its digits is 151200, while the sum is 41.

The square root of 54156749 is about 7359.1269183239. The cubic root of 54156749 is about 378.3416864171.

The spelling of 54156749 in words is "fifty-four million, one hundred fifty-six thousand, seven hundred forty-nine".