152638553 has 4 divisors (see below), whose sum is σ = 152698128. Its totient is φ = 152578980.

The previous prime is 152638523. The next prime is 152638559. The reversal of 152638553 is 355836251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355836251 = 3851 ⋅92401.

It is a cyclic number.

It is not a de Polignac number, because 152638553 - 2²⁴ = 135861337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152638559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25763 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (38174532).

Almost surely, 2^152638553 is an apocalyptic number.

It is an amenable number.

152638553 is a deficient number, since it is larger than the sum of its proper divisors (59575).

152638553 is an equidigital number, since it uses as much as digits as its factorization.

152638553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59574.

The product of its digits is 108000, while the sum is 38.

The square root of 152638553 is about 12354.6976086022. The cubic root of 152638553 is about 534.4266171906.

The spelling of 152638553 in words is "one hundred fifty-two million, six hundred thirty-eight thousand, five hundred fifty-three".