355149553 has 4 divisors (see below), whose sum is σ = 387435888. Its totient is φ = 322863220.

The previous prime is 355149541. The next prime is 355149611. The reversal of 355149553 is 355941553.

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: 355941553 = 11 ⋅32358323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355149553 is a prime.

It is a super-2 number, since 2×355149553² = 252262409992199618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355149523) 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, 16143151 + ... + 16143172.

It is an arithmetic number, because the mean of its divisors is an integer number (96858972).

Almost surely, 2^355149553 is an apocalyptic number.

It is an amenable number.

355149553 is a deficient number, since it is larger than the sum of its proper divisors (32286335).

355149553 is a wasteful number, since it uses less digits than its factorization.

355149553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32286334.

The product of its digits is 202500, while the sum is 40.

The square root of 355149553 is about 18845.4119880675. The cubic root of 355149553 is about 708.1692921107.

The spelling of 355149553 in words is "three hundred fifty-five million, one hundred forty-nine thousand, five hundred fifty-three".