45554780 has 24 divisors (see below), whose sum is σ = 100700880. Its totient is φ = 17262720.

The previous prime is 45554771. The next prime is 45554783. The reversal of 45554780 is 8745554.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554783) 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, 59561 + ... + 60320.

It is an arithmetic number, because the mean of its divisors is an integer number (4195870).

Almost surely, 2^45554780 is an apocalyptic number.

It is an amenable number.

45554780 is an abundant number, since it is smaller than the sum of its proper divisors (55146100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45554780 is a wasteful number, since it uses less digits than its factorization.

45554780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119909 (or 119907 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 45554780 is about 6749.4281239228. The cubic root of 45554780 is about 357.1450631483.

The spelling of 45554780 in words is "forty-five million, five hundred fifty-four thousand, seven hundred eighty".