45501556 has 6 divisors (see below), whose sum is σ = 79627730. Its totient is φ = 22750776.

The previous prime is 45501553. The next prime is 45501559. The reversal of 45501556 is 65510554.

45501556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45501553) and next prime (45501559).

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 396900 = 6716^2 + 630^2 .

It is a super-2 number, since 2×45501556² = 4140783196842272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45501553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5687691 + ... + 5687698.

Almost surely, 2^45501556 is an apocalyptic number.

It is an amenable number.

45501556 is a deficient number, since it is larger than the sum of its proper divisors (34126174).

45501556 is a wasteful number, since it uses less digits than its factorization.

45501556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375393 (or 11375391 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 45501556 is about 6745.4841190236. The cubic root of 45501556 is about 357.0059186092.

The spelling of 45501556 in words is "forty-five million, five hundred one thousand, five hundred fifty-six".