54577947 has 4 divisors (see below), whose sum is σ = 72770600. Its totient is φ = 36385296.

The previous prime is 54577921. The next prime is 54577967. The reversal of 54577947 is 74977545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54577947 - 2¹⁰ = 54576923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54577896 and 54577905.

It is not an unprimeable number, because it can be changed into a prime (54577907) 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, 9096322 + ... + 9096327.

It is an arithmetic number, because the mean of its divisors is an integer number (18192650).

Almost surely, 2^54577947 is an apocalyptic number.

54577947 is a deficient number, since it is larger than the sum of its proper divisors (18192653).

54577947 is a wasteful number, since it uses less digits than its factorization.

54577947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192652.

The product of its digits is 1234800, while the sum is 48.

The square root of 54577947 is about 7387.6888808341. The cubic root of 54577947 is about 379.3199911466.

The spelling of 54577947 in words is "fifty-four million, five hundred seventy-seven thousand, nine hundred forty-seven".