45521552 has 10 divisors (see below), whose sum is σ = 88198038. Its totient is φ = 22760768.

The previous prime is 45521537. The next prime is 45521557. The reversal of 45521552 is 25512554.

It can be written as a sum of positive squares in only one way, i.e., 44568976 + 952576 = 6676^2 + 976^2 .

It is not an unprimeable number, because it can be changed into a prime (45521557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422533 + ... + 1422564.

Almost surely, 2^45521552 is an apocalyptic number.

It is an amenable number.

45521552 is a deficient number, since it is larger than the sum of its proper divisors (42676486).

45521552 is a wasteful number, since it uses less digits than its factorization.

45521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845105 (or 2845099 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 45521552 is about 6746.9661330112. The cubic root of 45521552 is about 357.0582072598.

The spelling of 45521552 in words is "forty-five million, five hundred twenty-one thousand, five hundred fifty-two".