45271955 has 4 divisors (see below), whose sum is σ = 54326352. Its totient is φ = 36217560.

The previous prime is 45271921. The next prime is 45271957. The reversal of 45271955 is 55917254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55917254 = 2 ⋅27958627.

It is not a de Polignac number, because 45271955 - 2¹⁰ = 45270931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45271957) 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, 4527191 + ... + 4527200.

It is an arithmetic number, because the mean of its divisors is an integer number (13581588).

Almost surely, 2^45271955 is an apocalyptic number.

45271955 is a deficient number, since it is larger than the sum of its proper divisors (9054397).

45271955 is an equidigital number, since it uses as much as digits as its factorization.

45271955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054396.

The product of its digits is 63000, while the sum is 38.

The square root of 45271955 is about 6728.4437279359. The cubic root of 45271955 is about 356.4044214097.

The spelling of 45271955 in words is "forty-five million, two hundred seventy-one thousand, nine hundred fifty-five".