54473145 has 8 divisors (see below), whose sum is σ = 87157056. Its totient is φ = 29052336.

The previous prime is 54473137. The next prime is 54473147. The reversal of 54473145 is 54137445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54473145 - 2³ = 54473137 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (54473147) 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, 1815757 + ... + 1815786.

It is an arithmetic number, because the mean of its divisors is an integer number (10894632).

Almost surely, 2^54473145 is an apocalyptic number.

It is an amenable number.

54473145 is a deficient number, since it is larger than the sum of its proper divisors (32683911).

54473145 is a wasteful number, since it uses less digits than its factorization.

54473145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631551.

The product of its digits is 33600, while the sum is 33.

The square root of 54473145 is about 7380.5924558940. The cubic root of 54473145 is about 379.0770421882.

The spelling of 54473145 in words is "fifty-four million, four hundred seventy-three thousand, one hundred forty-five".