45557331 has 8 divisors (see below), whose sum is σ = 64316304. Its totient is φ = 28584960.

The previous prime is 45557299. The next prime is 45557341. The reversal of 45557331 is 13375554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45557331 - 2⁵ = 45557299 is a prime.

It is a super-2 number, since 2×45557331² = 4150940815687122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45557292 and 45557301.

It is not an unprimeable number, because it can be changed into a prime (45557341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446590 + ... + 446691.

It is an arithmetic number, because the mean of its divisors is an integer number (8039538).

Almost surely, 2^45557331 is an apocalyptic number.

45557331 is a deficient number, since it is larger than the sum of its proper divisors (18758973).

45557331 is a wasteful number, since it uses less digits than its factorization.

45557331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893301.

The product of its digits is 31500, while the sum is 33.

The square root of 45557331 is about 6749.6171002509. The cubic root of 45557331 is about 357.1517295548.

The spelling of 45557331 in words is "forty-five million, five hundred fifty-seven thousand, three hundred thirty-one".