45126553 has 4 divisors (see below), whose sum is σ = 45145188. Its totient is φ = 45107920.

The previous prime is 45126547. The next prime is 45126559. The reversal of 45126553 is 35562154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45126547) and next prime (45126559).

It can be written as a sum of positive squares in 2 ways, for example, as 25836889 + 19289664 = 5083^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 45126553 - 2²¹ = 43029401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45126559) 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, 5026 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (11286297).

Almost surely, 2^45126553 is an apocalyptic number.

It is an amenable number.

45126553 is a deficient number, since it is larger than the sum of its proper divisors (18635).

45126553 is a wasteful number, since it uses less digits than its factorization.

45126553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634.

The product of its digits is 18000, while the sum is 31.

The square root of 45126553 is about 6717.6300136283. The cubic root of 45126553 is about 356.0224520831.

The spelling of 45126553 in words is "forty-five million, one hundred twenty-six thousand, five hundred fifty-three".