545622372 has 24 divisors (see below), whose sum is σ = 1414576800. Its totient is φ = 181874088.

The previous prime is 545622349. The next prime is 545622397. The reversal of 545622372 is 273226545.

545622372 is a `hidden beast` number, since 5 + 4 + 562 + 23 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525922 + ... + 2526137.

It is an arithmetic number, because the mean of its divisors is an integer number (58940700).

Almost surely, 2^545622372 is an apocalyptic number.

It is an amenable number.

545622372 is an abundant number, since it is smaller than the sum of its proper divisors (868954428).

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

545622372 is a wasteful number, since it uses less digits than its factorization.

545622372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052072 (or 5052064 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 545622372 is about 23358.5610001986. The cubic root of 545622372 is about 817.1417300574.

The spelling of 545622372 in words is "five hundred forty-five million, six hundred twenty-two thousand, three hundred seventy-two".