54720523 has 8 divisors (see below), whose sum is σ = 64287216. Its totient is φ = 45919200.

The previous prime is 54720517. The next prime is 54720577. The reversal of 54720523 is 32502745.

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

It is a cyclic number.

It is not a de Polignac number, because 54720523 - 2⁹ = 54720011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54720491 and 54720500.

It is not an unprimeable number, because it can be changed into a prime (54720583) 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, 191188 + ... + 191473.

It is an arithmetic number, because the mean of its divisors is an integer number (8035902).

Almost surely, 2^54720523 is an apocalyptic number.

54720523 is a deficient number, since it is larger than the sum of its proper divisors (9566693).

54720523 is a wasteful number, since it uses less digits than its factorization.

54720523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382685.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 54720523 is about 7397.3321542297. The cubic root of 54720523 is about 379.6500078466.

The spelling of 54720523 in words is "fifty-four million, seven hundred twenty thousand, five hundred twenty-three".