38055553 has 2 divisors, whose sum is σ = 38055554. Its totient is φ = 38055552.

The previous prime is 38055541. The next prime is 38055581. The reversal of 38055553 is 35555083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 11512449 = 5152^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 38055553 - 2²¹ = 35958401 is a prime.

It is a super-2 number, since 2×38055553² = 2896450228271618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38055053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19027776 + 19027777.

It is an arithmetic number, because the mean of its divisors is an integer number (19027777).

Almost surely, 2^38055553 is an apocalyptic number.

It is an amenable number.

38055553 is a deficient number, since it is larger than the sum of its proper divisors (1).

38055553 is an equidigital number, since it uses as much as digits as its factorization.

38055553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 38055553 is about 6168.9183006423. The cubic root of 38055553 is about 336.3612923293.

The spelling of 38055553 in words is "thirty-eight million, fifty-five thousand, five hundred fifty-three".