55101928644 has 351 divisors, whose sum is σ = 175891183167. Its totient is φ = 15058912176.

The previous prime is 55101928613. The next prime is 55101928663. The reversal of 55101928644 is 44682910155.

The square root of 55101928644 is 234738.

It is a perfect power (a square), and thus also a powerful number.

55101928644 is a `hidden beast` number, since 5 + 510 + 1 + 92 + 8 + 6 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55101928644.

It is an unprimeable number.

It is a polite number, since it can be written in 116 ways as a sum of consecutive naturals, for example, 2395736017 + ... + 2395736039.

Almost surely, 2^55101928644 is an apocalyptic number.

55101928644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55101928644 is the 234738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55101928644

55101928644 is an abundant number, since it is smaller than the sum of its proper divisors (120789254523).

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

55101928644 is an frugal number, since it uses more digits than its factorization.

55101928644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 55101928644 in words is "fifty-five billion, one hundred one million, nine hundred twenty-eight thousand, six hundred forty-four".