54166587 has 32 divisors (see below), whose sum is σ = 80486400. Its totient is φ = 32247072.

The previous prime is 54166571. The next prime is 54166591. The reversal of 54166587 is 78566145.

54166587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54166587 - 2⁴ = 54166571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54166507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103308 + ... + 103830.

It is an arithmetic number, because the mean of its divisors is an integer number (2515200).

Almost surely, 2^54166587 is an apocalyptic number.

54166587 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54166587 is a deficient number, since it is larger than the sum of its proper divisors (26319813).

54166587 is a wasteful number, since it uses less digits than its factorization.

54166587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 201600, while the sum is 42.

The square root of 54166587 is about 7359.7953096537. The cubic root of 54166587 is about 378.3645946124.

The spelling of 54166587 in words is "fifty-four million, one hundred sixty-six thousand, five hundred eighty-seven".