55611671574 has 16 divisors (see below), whose sum is σ = 111242866608. Its totient is φ = 18533969952.

The previous prime is 55611671569. The next prime is 55611671579. The reversal of 55611671574 is 47517611655.

55611671574 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 (55611671569) and next prime (55611671579).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55611671579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776317 + ... + 844920.

It is an arithmetic number, because the mean of its divisors is an integer number (6952679163).

Almost surely, 2^55611671574 is an apocalyptic number.

55611671574 is an abundant number, since it is smaller than the sum of its proper divisors (55631195034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55611671574 is a wasteful number, since it uses less digits than its factorization.

55611671574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626959.

The product of its digits is 882000, while the sum is 48.

The spelling of 55611671574 in words is "fifty-five billion, six hundred eleven million, six hundred seventy-one thousand, five hundred seventy-four".