55304738 has 4 divisors (see below), whose sum is σ = 82957110. Its totient is φ = 27652368.

The previous prime is 55304693. The next prime is 55304741. The reversal of 55304738 is 83740355.

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., 44262409 + 11042329 = 6653^2 + 3323^2 .

It is a super-2 number, since 2×55304738² = 6117228090497288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55304698 and 55304707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13826183 + ... + 13826186.

Almost surely, 2^55304738 is an apocalyptic number.

55304738 is a deficient number, since it is larger than the sum of its proper divisors (27652372).

55304738 is a wasteful number, since it uses less digits than its factorization.

55304738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27652371.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55304738 is about 7436.7155384619. The cubic root of 55304738 is about 380.9963189941.

The spelling of 55304738 in words is "fifty-five million, three hundred four thousand, seven hundred thirty-eight".