54612787 has 8 divisors (see below), whose sum is σ = 57494304. Its totient is φ = 51773568.

The previous prime is 54612781. The next prime is 54612791. The reversal of 54612787 is 78721645.

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 54612787 - 2⁷ = 54612659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54612781) 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, 7908 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (7186788).

Almost surely, 2^54612787 is an apocalyptic number.

54612787 is a deficient number, since it is larger than the sum of its proper divisors (2881517).

54612787 is a wasteful number, since it uses less digits than its factorization.

54612787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21149.

The product of its digits is 94080, while the sum is 40.

The square root of 54612787 is about 7390.0464815859. The cubic root of 54612787 is about 379.4006873384.

The spelling of 54612787 in words is "fifty-four million, six hundred twelve thousand, seven hundred eighty-seven".