54877719 has 32 divisors (see below), whose sum is σ = 85657600. Its totient is φ = 30948480.

The previous prime is 54877709. The next prime is 54877741. The reversal of 54877719 is 91777845.

It is not a de Polignac number, because 54877719 - 2⁷ = 54877591 is a prime.

It is a super-2 number, since 2×54877719² = 6023128085285922, 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 (54877709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21777 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (2676800).

Almost surely, 2^54877719 is an apocalyptic number.

54877719 is a deficient number, since it is larger than the sum of its proper divisors (30779881).

54877719 is a wasteful number, since it uses less digits than its factorization.

54877719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its digits is 493920, while the sum is 48.

The square root of 54877719 is about 7407.9497163520. The cubic root of 54877719 is about 380.0132012958.

The spelling of 54877719 in words is "fifty-four million, eight hundred seventy-seven thousand, seven hundred nineteen".