55366723672 has 96 divisors (see below), whose sum is σ = 121883907600. Its totient is φ = 23373439488.

The previous prime is 55366723591. The next prime is 55366723673. The reversal of 55366723672 is 27632766355.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366723673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1645158 + ... + 1678474.

Almost surely, 2^55366723672 is an apocalyptic number.

55366723672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55366723672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60941953800).

55366723672 is an abundant number, since it is smaller than the sum of its proper divisors (66517183928).

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

55366723672 is a wasteful number, since it uses less digits than its factorization.

55366723672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33413 (or 33380 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 52.

The spelling of 55366723672 in words is "fifty-five billion, three hundred sixty-six million, seven hundred twenty-three thousand, six hundred seventy-two".