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55154416 = 2419397457
BaseRepresentation
bin1101001001100…
…1011011110000
310211210010122011
43102121123300
5103104420131
65250052304
71236543022
oct322313360
9124703564
1055154416
1129151369
121657a094
13b571565
14747a012
154c970b1
hex34996f0

55154416 has 40 divisors (see below), whose sum is σ = 113016080. Its totient is φ = 26002944.

The previous prime is 55154401. The next prime is 55154441. The reversal of 55154416 is 61445155.

55154416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120460 + ... + 120916.

It is an arithmetic number, because the mean of its divisors is an integer number (2825402).

Almost surely, 255154416 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 55154416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56508040).

55154416 is an abundant number, since it is smaller than the sum of its proper divisors (57861664).

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

55154416 is a wasteful number, since it uses less digits than its factorization.

55154416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 55154416 is about 7426.6019147387. The cubic root of 55154416 is about 380.6508145577.

The spelling of 55154416 in words is "fifty-five million, one hundred fifty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 397 457 794 914 1588 1828 3176 3656 6352 7312 7543 8683 15086 17366 30172 34732 60344 69464 120688 138928 181429 362858 725716 1451432 2902864 3447151 6894302 13788604 27577208 55154416