53477928144 has 120 divisors (see below), whose sum is σ = 152994339680. Its totient is φ = 17433149184.

The previous prime is 53477928089. The next prime is 53477928263. The reversal of 53477928144 is 44182977435.

53477928144 is a `hidden beast` number, since 5 + 3 + 477 + 9 + 28 + 144 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321134 + ... + 1361010.

Almost surely, 2^53477928144 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 53477928144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76497169840).

53477928144 is an abundant number, since it is smaller than the sum of its proper divisors (99516411536).

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

53477928144 is a wasteful number, since it uses less digits than its factorization.

53477928144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40097 (or 40088 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 53477928144 in words is "fifty-three billion, four hundred seventy-seven million, nine hundred twenty-eight thousand, one hundred forty-four".