55145476 has 27 divisors (see below), whose sum is σ = 99865479. Its totient is φ = 26644488.

The previous prime is 55145473. The next prime is 55145491. The reversal of 55145476 is 67454155.

It is a happy number.

The square root of 55145476 is 7426.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55145473) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 698005 + ... + 698083.

Almost surely, 2^55145476 is an apocalyptic number.

55145476 is the 7426-th square number.

It is an amenable number.

55145476 is a deficient number, since it is larger than the sum of its proper divisors (44720003).

55145476 is an equidigital number, since it uses as much as digits as its factorization.

55145476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 128 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The cubic root of 55145476 is about 380.6302468353.

The spelling of 55145476 in words is "fifty-five million, one hundred forty-five thousand, four hundred seventy-six".