55206679572 has 96 divisors (see below), whose sum is σ = 157188528000. Its totient is φ = 16616966400.

The previous prime is 55206679571. The next prime is 55206679589. The reversal of 55206679572 is 27597660255.

55206679572 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 6 + 67 + 9 + 572 = 666.

It is a super-3 number, since 3×55206679572³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55206679571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21072 + ... + 332952.

It is an arithmetic number, because the mean of its divisors is an integer number (1637380500).

Almost surely, 2^55206679572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55206679572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78594264000).

55206679572 is an abundant number, since it is smaller than the sum of its proper divisors (101981848428).

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

55206679572 is a wasteful number, since it uses less digits than its factorization.

55206679572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312054 (or 312046 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 55206679572 in words is "fifty-five billion, two hundred six million, six hundred seventy-nine thousand, five hundred seventy-two".