54240715 has 8 divisors (see below), whose sum is σ = 65398608. Its totient is φ = 43186080.

The previous prime is 54240713. The next prime is 54240733. The reversal of 54240715 is 51704245.

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

It is not a de Polignac number, because 54240715 - 2¹ = 54240713 is a prime.

It is a super-2 number, since 2×54240715² = 5884110327422450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54240713) 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, 24652 + ... + 26761.

It is an arithmetic number, because the mean of its divisors is an integer number (8174826).

Almost surely, 2^54240715 is an apocalyptic number.

54240715 is a deficient number, since it is larger than the sum of its proper divisors (11157893).

54240715 is a wasteful number, since it uses less digits than its factorization.

54240715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51629.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 54240715 is about 7364.8295974856. The cubic root of 54240715 is about 378.5371156410.

The spelling of 54240715 in words is "fifty-four million, two hundred forty thousand, seven hundred fifteen".