54156545 has 4 divisors (see below), whose sum is σ = 64987860. Its totient is φ = 43325232.

The previous prime is 54156539. The next prime is 54156551. The reversal of 54156545 is 54565145.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54156539) and next prime (54156551).

It can be written as a sum of positive squares in 2 ways, for example, as 24910081 + 29246464 = 4991^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 54156545 - 2⁶ = 54156481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415650 + ... + 5415659.

It is an arithmetic number, because the mean of its divisors is an integer number (16246965).

Almost surely, 2^54156545 is an apocalyptic number.

It is an amenable number.

54156545 is a deficient number, since it is larger than the sum of its proper divisors (10831315).

54156545 is a wasteful number, since it uses less digits than its factorization.

54156545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831314.

The product of its digits is 60000, while the sum is 35.

The square root of 54156545 is about 7359.1130579710. The cubic root of 54156545 is about 378.3412113652.

The spelling of 54156545 in words is "fifty-four million, one hundred fifty-six thousand, five hundred forty-five".