54156543 has 32 divisors (see below), whose sum is σ = 90408960. Its totient is φ = 28116480.

The previous prime is 54156539. The next prime is 54156551. The reversal of 54156543 is 34565145.

It is not a de Polignac number, because 54156543 - 2² = 54156539 is a prime.

It is a super-2 number, since 2×54156543² = 5865862299421698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54156523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7738 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (2825280).

Almost surely, 2^54156543 is an apocalyptic number.

54156543 is a deficient number, since it is larger than the sum of its proper divisors (36252417).

54156543 is a wasteful number, since it uses less digits than its factorization.

54156543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its digits is 36000, while the sum is 33.

The square root of 54156543 is about 7359.1129220851. The cubic root of 54156543 is about 378.3412067078.

The spelling of 54156543 in words is "fifty-four million, one hundred fifty-six thousand, five hundred forty-three".