54868779 has 48 divisors (see below), whose sum is σ = 96124800. Its totient is φ = 30835728.

The previous prime is 54868757. The next prime is 54868799. The reversal of 54868779 is 97786845.

It is not a de Polignac number, because 54868779 - 2⁹ = 54868267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54868799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88332 + ... + 88950.

It is an arithmetic number, because the mean of its divisors is an integer number (2002600).

Almost surely, 2^54868779 is an apocalyptic number.

54868779 is a deficient number, since it is larger than the sum of its proper divisors (41256021).

54868779 is a wasteful number, since it uses less digits than its factorization.

54868779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 696 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 54868779 is about 7407.3462859515. The cubic root of 54868779 is about 379.9925644898.

The spelling of 54868779 in words is "fifty-four million, eight hundred sixty-eight thousand, seven hundred seventy-nine".