54769947 has 4 divisors (see below), whose sum is σ = 73026600. Its totient is φ = 36513296.

The previous prime is 54769943. The next prime is 54769961. The reversal of 54769947 is 74996745.

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

It is a cyclic number.

It is not a de Polignac number, because 54769947 - 2² = 54769943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54769947.

It is not an unprimeable number, because it can be changed into a prime (54769943) 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, 9128322 + ... + 9128327.

It is an arithmetic number, because the mean of its divisors is an integer number (18256650).

Almost surely, 2^54769947 is an apocalyptic number.

54769947 is a deficient number, since it is larger than the sum of its proper divisors (18256653).

54769947 is a wasteful number, since it uses less digits than its factorization.

54769947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256652.

The product of its digits is 1905120, while the sum is 51.

The square root of 54769947 is about 7400.6720640763. The cubic root of 54769947 is about 379.7642743934.

The spelling of 54769947 in words is "fifty-four million, seven hundred sixty-nine thousand, nine hundred forty-seven".