45554520 has 64 divisors (see below), whose sum is σ = 149091840. Its totient is φ = 11043200.

The previous prime is 45554503. The next prime is 45554521. The reversal of 45554520 is 2545554.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15936 + ... + 18575.

It is an arithmetic number, because the mean of its divisors is an integer number (2329560).

Almost surely, 2^45554520 is an apocalyptic number.

45554520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45554520 is an abundant number, since it is smaller than the sum of its proper divisors (103537320).

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

45554520 is a wasteful number, since it uses less digits than its factorization.

45554520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34536 (or 34532 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 45554520 is about 6749.4088630042. The cubic root of 45554520 is about 357.1443836887.

The spelling of 45554520 in words is "forty-five million, five hundred fifty-four thousand, five hundred twenty".