54848729 has 4 divisors (see below), whose sum is σ = 59067876. Its totient is φ = 50629584.

The previous prime is 54848723. The next prime is 54848777. The reversal of 54848729 is 92784845.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13542400 + 41306329 = 3680^2 + 6427^2 .

It is a cyclic number.

It is not a de Polignac number, because 54848729 - 2⁴ = 54848713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54848723) 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, 2109554 + ... + 2109579.

It is an arithmetic number, because the mean of its divisors is an integer number (14766969).

Almost surely, 2^54848729 is an apocalyptic number.

It is an amenable number.

54848729 is a deficient number, since it is larger than the sum of its proper divisors (4219147).

54848729 is a wasteful number, since it uses less digits than its factorization.

54848729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219146.

The product of its digits is 645120, while the sum is 47.

The square root of 54848729 is about 7405.9927761239. The cubic root of 54848729 is about 379.9462735677.

The spelling of 54848729 in words is "fifty-four million, eight hundred forty-eight thousand, seven hundred twenty-nine".