45551355450 has 48 divisors (see below), whose sum is σ = 113079696960. Its totient is φ = 12134949120.

The previous prime is 45551355433. The next prime is 45551355481. The reversal of 45551355450 is 5455315554.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867 + ... + 301833.

It is an arithmetic number, because the mean of its divisors is an integer number (2355827020).

Almost surely, 2^45551355450 is an apocalyptic number.

45551355450 is an abundant number, since it is smaller than the sum of its proper divisors (67528341510).

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

45551355450 is a wasteful number, since it uses less digits than its factorization.

45551355450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301991 (or 301986 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 45551355450 in words is "forty-five billion, five hundred fifty-one million, three hundred fifty-five thousand, four hundred fifty".