55401946576 has 20 divisors (see below), whose sum is σ = 107372127744. Its totient is φ = 27693010400.

The previous prime is 55401946547. The next prime is 55401946583. The reversal of 55401946576 is 67564910455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440080 + ... + 551791.

Almost surely, 2^55401946576 is an apocalyptic number.

It is an amenable number.

55401946576 is a deficient number, since it is larger than the sum of its proper divisors (51970181168).

55401946576 is a wasteful number, since it uses less digits than its factorization.

55401946576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995370 (or 995364 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 55401946576 in words is "fifty-five billion, four hundred one million, nine hundred forty-six thousand, five hundred seventy-six".