54711505 has 8 divisors (see below), whose sum is σ = 65696832. Its totient is φ = 43740528.

The previous prime is 54711499. The next prime is 54711509. The reversal of 54711505 is 50511745.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54711505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54711509) 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, 8532 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (8212104).

Almost surely, 2^54711505 is an apocalyptic number.

It is an amenable number.

54711505 is a deficient number, since it is larger than the sum of its proper divisors (10985327).

54711505 is a wasteful number, since it uses less digits than its factorization.

54711505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 54711505 is about 7396.7225850372. The cubic root of 54711505 is about 379.6291511267.

The spelling of 54711505 in words is "fifty-four million, seven hundred eleven thousand, five hundred five".