54779039 has 12 divisors (see below), whose sum is σ = 63326544. Its totient is φ = 46415712.

The previous prime is 54779009. The next prime is 54779041. The reversal of 54779039 is 93097745.

It is a happy number.

It is not a de Polignac number, because 54779039 - 2¹² = 54774943 is a prime.

It is a super-2 number, since 2×54779039² = 6001486227527042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54779009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229082 + ... + 229320.

It is an arithmetic number, because the mean of its divisors is an integer number (5277212).

Almost surely, 2^54779039 is an apocalyptic number.

54779039 is a deficient number, since it is larger than the sum of its proper divisors (8547505).

54779039 is an equidigital number, since it uses as much as digits as its factorization.

54779039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 54779039 is about 7401.2863071226. The cubic root of 54779039 is about 379.7852872902.

The spelling of 54779039 in words is "fifty-four million, seven hundred seventy-nine thousand, thirty-nine".