45553397 has 4 divisors (see below), whose sum is σ = 46300236. Its totient is φ = 44806560.

The previous prime is 45553381. The next prime is 45553399. The reversal of 45553397 is 79335554.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14092516 + 31460881 = 3754^2 + 5609^2 .

It is a cyclic number.

It is not a de Polignac number, because 45553397 - 2⁴ = 45553381 is a prime.

It is a super-2 number, since 2×45553397² = 4150223956479218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553399) 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, 373328 + ... + 373449.

It is an arithmetic number, because the mean of its divisors is an integer number (11575059).

Almost surely, 2^45553397 is an apocalyptic number.

It is an amenable number.

45553397 is a deficient number, since it is larger than the sum of its proper divisors (746839).

45553397 is an equidigital number, since it uses as much as digits as its factorization.

45553397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746838.

The product of its digits is 283500, while the sum is 41.

The square root of 45553397 is about 6749.3256700207. The cubic root of 45553397 is about 357.1414489164.

The spelling of 45553397 in words is "forty-five million, five hundred fifty-three thousand, three hundred ninety-seven".