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54002455920 = 24335711331607
BaseRepresentation
bin110010010010110011…
…000001010101110000
312011101112010222222000
4302102303001111300
51341044112042140
640450340014000
73621142205310
oct622263012560
9164345128860
1054002455920
11209a1a84466
12a571391300
13512804123a
142884123440
151610e52a30
hexc92cc1570

54002455920 has 320 divisors, whose sum is σ = 214469130240. Its totient is φ = 12233797632.

The previous prime is 54002455907. The next prime is 54002455931. The reversal of 54002455920 is 2955420045.

54002455920 is a `hidden beast` number, since 5 + 40 + 0 + 24 + 5 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1692757 + ... + 1724363.

It is an arithmetic number, because the mean of its divisors is an integer number (670216032).

Almost surely, 254002455920 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 54002455920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107234565120).

54002455920 is an abundant number, since it is smaller than the sum of its proper divisors (160466674320).

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

54002455920 is a wasteful number, since it uses less digits than its factorization.

54002455920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31749 (or 31737 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 54002455920 its reverse (2955420045), we get a palindrome (56957875965).

The spelling of 54002455920 in words is "fifty-four billion, two million, four hundred fifty-five thousand, nine hundred twenty".