54158887 has 4 divisors (see below), whose sum is σ = 55418440. Its totient is φ = 52899336.

The previous prime is 54158879. The next prime is 54158893. The reversal of 54158887 is 78885145.

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

It is a cyclic number.

It is not a de Polignac number, because 54158887 - 2³ = 54158879 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 (54158807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629712 + ... + 629797.

It is an arithmetic number, because the mean of its divisors is an integer number (13854610).

Almost surely, 2^54158887 is an apocalyptic number.

54158887 is a deficient number, since it is larger than the sum of its proper divisors (1259553).

54158887 is a wasteful number, since it uses less digits than its factorization.

54158887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259552.

The product of its digits is 358400, while the sum is 46.

The square root of 54158887 is about 7359.2721786872. The cubic root of 54158887 is about 378.3466650756.

The spelling of 54158887 in words is "fifty-four million, one hundred fifty-eight thousand, eight hundred eighty-seven".