54215642 has 8 divisors (see below), whose sum is σ = 87579156. Its totient is φ = 25022592.

The previous prime is 54215617. The next prime is 54215657. The reversal of 54215642 is 24651245.

It can be written as a sum of positive squares in 2 ways, for example, as 52258441 + 1957201 = 7229^2 + 1399^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042583 + ... + 1042634.

Almost surely, 2^54215642 is an apocalyptic number.

54215642 is a deficient number, since it is larger than the sum of its proper divisors (33363514).

54215642 is a wasteful number, since it uses less digits than its factorization.

54215642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085232.

The product of its digits is 9600, while the sum is 29.

The square root of 54215642 is about 7363.1271889055. The cubic root of 54215642 is about 378.4787798570.

Adding to 54215642 its reverse (24651245), we get a palindrome (78866887).

The spelling of 54215642 in words is "fifty-four million, two hundred fifteen thousand, six hundred forty-two".