55192538 has 8 divisors (see below), whose sum is σ = 82856532. Its totient is φ = 27573696.

The previous prime is 55192537. The next prime is 55192541. The reversal of 55192538 is 83529155.

It can be written as a sum of positive squares in 2 ways, for example, as 54804409 + 388129 = 7403^2 + 623^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55192531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8045 + ... + 13232.

Almost surely, 2^55192538 is an apocalyptic number.

55192538 is a deficient number, since it is larger than the sum of its proper divisors (27663994).

55192538 is a wasteful number, since it uses less digits than its factorization.

55192538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22576.

The product of its digits is 54000, while the sum is 38.

The square root of 55192538 is about 7429.1680557112. The cubic root of 55192538 is about 380.7384946227.

The spelling of 55192538 in words is "fifty-five million, one hundred ninety-two thousand, five hundred thirty-eight".