45553437 has 6 divisors (see below), whose sum is σ = 65799422. Its totient is φ = 30368952.

The previous prime is 45553433. The next prime is 45553457. The reversal of 45553437 is 73435554.

It can be written as a sum of positive squares in only one way, i.e., 23707161 + 21846276 = 4869^2 + 4674^2 .

It is not a de Polignac number, because 45553437 - 2² = 45553433 is a prime.

It is a super-3 number, since 3×45553437³ (a number of 24 digits) contains 333 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 (45553433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2530738 + ... + 2530755.

Almost surely, 2^45553437 is an apocalyptic number.

It is an amenable number.

45553437 is a deficient number, since it is larger than the sum of its proper divisors (20245985).

45553437 is a wasteful number, since it uses less digits than its factorization.

45553437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061499 (or 5061496 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 45553437 is about 6749.3286332790. The cubic root of 45553437 is about 357.1415534505.

The spelling of 45553437 in words is "forty-five million, five hundred fifty-three thousand, four hundred thirty-seven".