545455372 has 48 divisors (see below), whose sum is σ = 1192423680. Its totient is φ = 212097600.

The previous prime is 545455367. The next prime is 545455409. The reversal of 545455372 is 273554545.

Its product of digits (420000) is a multiple of the sum of its prime divisors (3500).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189222 + ... + 192082.

It is an arithmetic number, because the mean of its divisors is an integer number (24842160).

Almost surely, 2^545455372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545455372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596211840).

545455372 is an abundant number, since it is smaller than the sum of its proper divisors (646968308).

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

545455372 is a wasteful number, since it uses less digits than its factorization.

545455372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).

The product of its digits is 420000, while the sum is 40.

The square root of 545455372 is about 23354.9860201200. The cubic root of 545455372 is about 817.0583533481.

The spelling of 545455372 in words is "five hundred forty-five million, four hundred fifty-five thousand, three hundred seventy-two".