55372426164 has 36 divisors (see below), whose sum is σ = 152693661120. Its totient is φ = 16779522960.

The previous prime is 55372426133. The next prime is 55372426171. The reversal of 55372426164 is 46162427355.

55372426164 is a `hidden beast` number, since 5 + 5 + 3 + 7 + 24 + 2 + 616 + 4 = 666.

55372426164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×55372426164³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69914284 + ... + 69915075.

Almost surely, 2^55372426164 is an apocalyptic number.

It is an amenable number.

55372426164 is an abundant number, since it is smaller than the sum of its proper divisors (97321234956).

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

55372426164 is a wasteful number, since it uses less digits than its factorization.

55372426164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139829380 (or 139829375 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 55372426164 in words is "fifty-five billion, three hundred seventy-two million, four hundred twenty-six thousand, one hundred sixty-four".