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55193600052 = 2232172947127521
BaseRepresentation
bin110011011001110010…
…111000000000110100
312021110112111101112100
4303121302320000310
51401014030200202
641204450222100
73662514600603
oct633162700064
9167415441470
1055193600052
11214533916a8
12a844284930
135287a54856
1429583c9a3a
1516807de41c
hexcd9cb8034

55193600052 has 288 divisors, whose sum is σ = 157600235520. Its totient is φ = 16202833920.

The previous prime is 55193599991. The next prime is 55193600053. The reversal of 55193600052 is 25000639155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55193600053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105937552 + ... + 105938072.

It is an arithmetic number, because the mean of its divisors is an integer number (547223040).

Almost surely, 255193600052 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 55193600052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78800117760).

55193600052 is an abundant number, since it is smaller than the sum of its proper divisors (102406635468).

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

55193600052 is a wasteful number, since it uses less digits than its factorization.

55193600052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 55193600052 in words is "fifty-five billion, one hundred ninety-three million, six hundred thousand, fifty-two".