54057787 has 8 divisors (see below), whose sum is σ = 62348000. Its totient is φ = 45909504.

The previous prime is 54057781. The next prime is 54057853. The reversal of 54057787 is 78775045.

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 54057787 - 2¹⁹ = 53533499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54057781) 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, 34662 + ... + 36187.

It is an arithmetic number, because the mean of its divisors is an integer number (7793500).

Almost surely, 2^54057787 is an apocalyptic number.

54057787 is a deficient number, since it is larger than the sum of its proper divisors (8290213).

54057787 is a wasteful number, since it uses less digits than its factorization.

54057787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70965.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 54057787 is about 7352.4000843262. The cubic root of 54057787 is about 378.1110947872. Note that the first 3 decimals are identical.

The spelling of 54057787 in words is "fifty-four million, fifty-seven thousand, seven hundred eighty-seven".