54728007 has 8 divisors (see below), whose sum is σ = 73998720. Its totient is φ = 35971320.

The previous prime is 54727993. The next prime is 54728029. The reversal of 54728007 is 70082745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54728007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54728057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128257 + ... + 128682.

It is an arithmetic number, because the mean of its divisors is an integer number (9249840).

Almost surely, 2^54728007 is an apocalyptic number.

54728007 is a deficient number, since it is larger than the sum of its proper divisors (19270713).

54728007 is a wasteful number, since it uses less digits than its factorization.

54728007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257013.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 54728007 is about 7397.8379949820. The cubic root of 54728007 is about 379.6673150102.

The spelling of 54728007 in words is "fifty-four million, seven hundred twenty-eight thousand, seven".