54142516 has 6 divisors (see below), whose sum is σ = 94749410. Its totient is φ = 27071256.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142516 is 61524145.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 26998416 = 5210^2 + 5196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767811 + ... + 6767818.

Almost surely, 2^54142516 is an apocalyptic number.

It is an amenable number.

54142516 is a deficient number, since it is larger than the sum of its proper divisors (40606894).

54142516 is a wasteful number, since it uses less digits than its factorization.

54142516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535633 (or 13535631 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 54142516 is about 7358.1598243039. The cubic root of 54142516 is about 378.3085393693.

The spelling of 54142516 in words is "fifty-four million, one hundred forty-two thousand, five hundred sixteen".