55731889001 has 12 divisors (see below), whose sum is σ = 57635690112. Its totient is φ = 53889129000.

The previous prime is 55731888991. The next prime is 55731889019. The reversal of 55731889001 is 10098813755.

It is a happy number.

It is not a de Polignac number, because 55731889001 - 2¹⁴ = 55731872617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55731889901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1159436 + ... + 1206546.

It is an arithmetic number, because the mean of its divisors is an integer number (4802974176).

Almost surely, 2^55731889001 is an apocalyptic number.

It is an amenable number.

55731889001 is a deficient number, since it is larger than the sum of its proper divisors (1903801111).

55731889001 is a wasteful number, since it uses less digits than its factorization.

55731889001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48404 (or 48373 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 55731889001 in words is "fifty-five billion, seven hundred thirty-one million, eight hundred eighty-nine thousand, one".