55075473 has 6 divisors (see below), whose sum is σ = 79553474. Its totient is φ = 36716976.

The previous prime is 55075469. The next prime is 55075483. The reversal of 55075473 is 37457055.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 16548624 = 6207^2 + 4068^2 .

It is not a de Polignac number, because 55075473 - 2² = 55075469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55075483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3059740 + ... + 3059757.

Almost surely, 2^55075473 is an apocalyptic number.

It is an amenable number.

55075473 is a deficient number, since it is larger than the sum of its proper divisors (24478001).

55075473 is a wasteful number, since it uses less digits than its factorization.

55075473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119503 (or 6119500 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 55075473 is about 7421.2851312963. The cubic root of 55075473 is about 380.4691182243.

The spelling of 55075473 in words is "fifty-five million, seventy-five thousand, four hundred seventy-three".