54827919 has 6 divisors (see below), whose sum is σ = 79195896. Its totient is φ = 36551940.

The previous prime is 54827869. The next prime is 54827957. The reversal of 54827919 is 91972845.

It is not a de Polignac number, because 54827919 - 2¹² = 54823823 is a prime.

It is a super-2 number, since 2×54827919² = 6012201403741122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54827119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3045987 + ... + 3046004.

It is an arithmetic number, because the mean of its divisors is an integer number (13199316).

Almost surely, 2^54827919 is an apocalyptic number.

54827919 is a deficient number, since it is larger than the sum of its proper divisors (24367977).

54827919 is a wasteful number, since it uses less digits than its factorization.

54827919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091997 (or 6091994 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 54827919 is about 7404.5876995279. The cubic root of 54827919 is about 379.8982160450.

The spelling of 54827919 in words is "fifty-four million, eight hundred twenty-seven thousand, nine hundred nineteen".