55049402 has 8 divisors (see below), whose sum is σ = 82701012. Its totient is φ = 27482400.

The previous prime is 55049387. The next prime is 55049431. The reversal of 55049402 is 20494055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41203561 + 13845841 = 6419^2 + 3721^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19499 + ... + 22142.

Almost surely, 2^55049402 is an apocalyptic number.

55049402 is a deficient number, since it is larger than the sum of its proper divisors (27651610).

55049402 is a wasteful number, since it uses less digits than its factorization.

55049402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42304.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55049402 is about 7419.5284216721. The cubic root of 55049402 is about 380.4090747035.

The spelling of 55049402 in words is "fifty-five million, forty-nine thousand, four hundred two".