55489006042 has 32 divisors (see below), whose sum is σ = 87283872000. Its totient is φ = 26431878528.

The previous prime is 55489006039. The next prime is 55489006051. The reversal of 55489006042 is 24060098455.

It is a super-2 number, since 2×55489006042² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55489006042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637459 + ... + 719257.

It is an arithmetic number, because the mean of its divisors is an integer number (2727621000).

Almost surely, 2^55489006042 is an apocalyptic number.

55489006042 is a deficient number, since it is larger than the sum of its proper divisors (31794865958).

55489006042 is a wasteful number, since it uses less digits than its factorization.

55489006042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82030.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 55489006042 in words is "fifty-five billion, four hundred eighty-nine million, six thousand, forty-two".