54258787 has 8 divisors (see below), whose sum is σ = 59254272. Its totient is φ = 49273800.

The previous prime is 54258779. The next prime is 54258847. The reversal of 54258787 is 78785245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54258787 - 2³ = 54258779 is a prime.

It is a super-2 number, since 2×54258787² = 5888031933422738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54258187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11538 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (7406784).

Almost surely, 2^54258787 is an apocalyptic number.

54258787 is a deficient number, since it is larger than the sum of its proper divisors (4995485).

54258787 is a wasteful number, since it uses less digits than its factorization.

54258787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249.

The product of its digits is 627200, while the sum is 46.

The square root of 54258787 is about 7366.0564076037. The cubic root of 54258787 is about 378.5791514877.

The spelling of 54258787 in words is "fifty-four million, two hundred fifty-eight thousand, seven hundred eighty-seven".