54742529 has 4 divisors (see below), whose sum is σ = 54864900. Its totient is φ = 54620160.

The previous prime is 54742489. The next prime is 54742537. The reversal of 54742529 is 92524745.

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 36663025 + 18079504 = 6055^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 54742529 - 2¹² = 54738433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54742492 and 54742501.

It is not an unprimeable number, because it can be changed into a prime (54742549) 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, 60512 + ... + 61409.

It is an arithmetic number, because the mean of its divisors is an integer number (13716225).

Almost surely, 2^54742529 is an apocalyptic number.

It is an amenable number.

54742529 is a deficient number, since it is larger than the sum of its proper divisors (122371).

54742529 is a wasteful number, since it uses less digits than its factorization.

54742529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122370.

The product of its digits is 100800, while the sum is 38.

The square root of 54742529 is about 7398.8194328555. The cubic root of 54742529 is about 379.7008934371.

The spelling of 54742529 in words is "fifty-four million, seven hundred forty-two thousand, five hundred twenty-nine".