54886252440 has 32 divisors (see below), whose sum is σ = 164658757680. Its totient is φ = 14636333952.

The previous prime is 54886252429. The next prime is 54886252453. The reversal of 54886252440 is 4425268845.

It is a self number, because there is not a number n which added to its sum of digits gives 54886252440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228692599 + ... + 228692838.

Almost surely, 2^54886252440 is an apocalyptic number.

It is an amenable number.

54886252440 is an abundant number, since it is smaller than the sum of its proper divisors (109772505240).

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

54886252440 is a wasteful number, since it uses less digits than its factorization.

54886252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457385451 (or 457385447 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 48.

The spelling of 54886252440 in words is "fifty-four billion, eight hundred eighty-six million, two hundred fifty-two thousand, four hundred forty".