54530402 has 4 divisors (see below), whose sum is σ = 81795606. Its totient is φ = 27265200.

The previous prime is 54530383. The next prime is 54530417. The reversal of 54530402 is 20403545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50566321 + 3964081 = 7111^2 + 1991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13632599 + ... + 13632602.

Almost surely, 2^54530402 is an apocalyptic number.

54530402 is a deficient number, since it is larger than the sum of its proper divisors (27265204).

54530402 is a wasteful number, since it uses less digits than its factorization.

54530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265203.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 54530402 is about 7384.4703262996. The cubic root of 54530402 is about 379.2098122836.

Adding to 54530402 its reverse (20403545), we get a palindrome (74933947).

The spelling of 54530402 in words is "fifty-four million, five hundred thirty thousand, four hundred two".