55691476 has 6 divisors (see below), whose sum is σ = 97460090. Its totient is φ = 27845736.

The previous prime is 55691453. The next prime is 55691491. The reversal of 55691476 is 67419655.

It can be written as a sum of positive squares in only one way, i.e., 29986576 + 25704900 = 5476^2 + 5070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6961431 + ... + 6961438.

Almost surely, 2^55691476 is an apocalyptic number.

It is an amenable number.

55691476 is a deficient number, since it is larger than the sum of its proper divisors (41768614).

55691476 is a wasteful number, since it uses less digits than its factorization.

55691476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922873 (or 13922871 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 55691476 is about 7462.6721755682. The cubic root of 55691476 is about 381.8823408916.

The spelling of 55691476 in words is "fifty-five million, six hundred ninety-one thousand, four hundred seventy-six".