55672477 has 12 divisors (see below), whose sum is σ = 64890396. Its totient is φ = 47624640.

The previous prime is 55672469. The next prime is 55672481. The reversal of 55672477 is 77427655.

It can be written as a sum of positive squares in 2 ways, for example, as 19263321 + 36409156 = 4389^2 + 6034^2 .

It is not a de Polignac number, because 55672477 - 2³ = 55672469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36543 + ... + 38035.

It is an arithmetic number, because the mean of its divisors is an integer number (5407533).

Almost surely, 2^55672477 is an apocalyptic number.

It is an amenable number.

55672477 is a deficient number, since it is larger than the sum of its proper divisors (9217919).

55672477 is a wasteful number, since it uses less digits than its factorization.

55672477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2261 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 55672477 is about 7461.3991315302. The cubic root of 55672477 is about 381.8389099016.

The spelling of 55672477 in words is "fifty-five million, six hundred seventy-two thousand, four hundred seventy-seven".