45554451 has 4 divisors (see below), whose sum is σ = 60739272. Its totient is φ = 30369632.

The previous prime is 45554413. The next prime is 45554459. The reversal of 45554451 is 15445554.

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

It is a cyclic number.

It is not a de Polignac number, because 45554451 - 2⁹ = 45553939 is a prime.

It is a super-2 number, since 2×45554451² = 4150416011822802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45554459) 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, 7592406 + ... + 7592411.

It is an arithmetic number, because the mean of its divisors is an integer number (15184818).

Almost surely, 2^45554451 is an apocalyptic number.

45554451 is a deficient number, since it is larger than the sum of its proper divisors (15184821).

45554451 is a wasteful number, since it uses less digits than its factorization.

45554451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184820.

The product of its digits is 40000, while the sum is 33.

The square root of 45554451 is about 6749.4037514435. The cubic root of 45554451 is about 357.1442033702.

The spelling of 45554451 in words is "forty-five million, five hundred fifty-four thousand, four hundred fifty-one".