54042513 has 8 divisors (see below), whose sum is σ = 82350528. Its totient is φ = 30881424.

The previous prime is 54042497. The next prime is 54042553. The reversal of 54042513 is 31524045.

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

It is not a de Polignac number, because 54042513 - 2⁴ = 54042497 is a prime.

It is a super-2 number, since 2×54042513² = 5841186422710338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54042553) 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, 1286706 + ... + 1286747.

It is an arithmetic number, because the mean of its divisors is an integer number (10293816).

Almost surely, 2^54042513 is an apocalyptic number.

It is an amenable number.

54042513 is a deficient number, since it is larger than the sum of its proper divisors (28308015).

54042513 is a wasteful number, since it uses less digits than its factorization.

54042513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573463.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54042513 is about 7351.3613025072. The cubic root of 54042513 is about 378.0754797340.

Adding to 54042513 its reverse (31524045), we get a palindrome (85566558).

The spelling of 54042513 in words is "fifty-four million, forty-two thousand, five hundred thirteen".