54781827 has 8 divisors (see below), whose sum is σ = 73078464. Its totient is φ = 36503208.

The previous prime is 54781777. The next prime is 54781829. The reversal of 54781827 is 72818745.

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

It is not a de Polignac number, because 54781827 - 2⁶ = 54781763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54781829) 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, 6288 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (9134808).

Almost surely, 2^54781827 is an apocalyptic number.

54781827 is a deficient number, since it is larger than the sum of its proper divisors (18296637).

54781827 is a wasteful number, since it uses less digits than its factorization.

54781827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009.

The product of its digits is 125440, while the sum is 42.

The square root of 54781827 is about 7401.4746503653. The cubic root of 54781827 is about 379.7917302864.

The spelling of 54781827 in words is "fifty-four million, seven hundred eighty-one thousand, eight hundred twenty-seven".