54270987 has 16 divisors (see below), whose sum is σ = 79091712. Its totient is φ = 32952960.

The previous prime is 54270959. The next prime is 54270989. The reversal of 54270987 is 78907245.

It is a de Polignac number, because none of the positive numbers 2^k-54270987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54270989) 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, 15583 + ... + 18744.

It is an arithmetic number, because the mean of its divisors is an integer number (4943232).

Almost surely, 2^54270987 is an apocalyptic number.

54270987 is a deficient number, since it is larger than the sum of its proper divisors (24820725).

54270987 is a wasteful number, since it uses less digits than its factorization.

54270987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 54270987 is about 7366.8844839593. The cubic root of 54270987 is about 378.6075236634.

The spelling of 54270987 in words is "fifty-four million, two hundred seventy thousand, nine hundred eighty-seven".