55431700467 has 64 divisors (see below), whose sum is σ = 87798961152. Its totient is φ = 30921792000.

The previous prime is 55431700453. The next prime is 55431700481. The reversal of 55431700467 is 76400713455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55431700453) and next prime (55431700481).

It is not a de Polignac number, because 55431700467 - 2¹¹ = 55431698419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55431700867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20814178 + ... + 20816840.

It is an arithmetic number, because the mean of its divisors is an integer number (1371858768).

Almost surely, 2^55431700467 is an apocalyptic number.

55431700467 is a deficient number, since it is larger than the sum of its proper divisors (32367260685).

55431700467 is a wasteful number, since it uses less digits than its factorization.

55431700467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 55431700467 in words is "fifty-five billion, four hundred thirty-one million, seven hundred thousand, four hundred sixty-seven".