55431476 has 12 divisors (see below), whose sum is σ = 99627108. Its totient is φ = 26966592.

The previous prime is 55431473. The next prime is 55431479. The reversal of 55431476 is 67413455.

55431476 = T₄₅₈ + T₄₅₉ + ... + T₇₅₃.

55431476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55431473) and next prime (55431479).

It can be written as a sum of positive squares in 2 ways, for example, as 47251876 + 8179600 = 6874^2 + 2860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55431473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187121 + ... + 187416.

It is an arithmetic number, because the mean of its divisors is an integer number (8302259).

Almost surely, 2^55431476 is an apocalyptic number.

It is an amenable number.

55431476 is a deficient number, since it is larger than the sum of its proper divisors (44195632).

55431476 is a wasteful number, since it uses less digits than its factorization.

55431476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374578 (or 374576 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 55431476 is about 7445.2317626787. The cubic root of 55431476 is about 381.2871311681.

The spelling of 55431476 in words is "fifty-five million, four hundred thirty-one thousand, four hundred seventy-six".