54977465 has 4 divisors (see below), whose sum is σ = 65972964. Its totient is φ = 43981968.

The previous prime is 54977441. The next prime is 54977467. The reversal of 54977465 is 56477945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56477945 = 5 ⋅11295589.

It can be written as a sum of positive squares in 2 ways, for example, as 16883881 + 38093584 = 4109^2 + 6172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54977465 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54977467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497742 + ... + 5497751.

It is an arithmetic number, because the mean of its divisors is an integer number (16493241).

Almost surely, 2^54977465 is an apocalyptic number.

It is an amenable number.

54977465 is a deficient number, since it is larger than the sum of its proper divisors (10995499).

54977465 is a wasteful number, since it uses less digits than its factorization.

54977465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995498.

The product of its digits is 1058400, while the sum is 47.

The square root of 54977465 is about 7414.6790220481. The cubic root of 54977465 is about 380.2432998696.

The spelling of 54977465 in words is "fifty-four million, nine hundred seventy-seven thousand, four hundred sixty-five".