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55512041 = 13233153113
BaseRepresentation
bin1101001111000…
…0101111101001
310212110022012112
43103300233221
5103202341131
65301452105
71242562454
oct323605751
9125408175
1055512041
1129376022
1216711035
13b668280
14753049b
154d1802b
hex34f0be9

55512041 has 32 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 46126080.

The previous prime is 55512001. The next prime is 55512071. The reversal of 55512041 is 14021555.

It is a happy number.

It is not a de Polignac number, because 55512041 - 218 = 55249897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55511998 and 55512016.

It is not an unprimeable number, because it can be changed into a prime (55512001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491201 + ... + 491313.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 255512041 is an apocalyptic number.

It is an amenable number.

55512041 is a deficient number, since it is larger than the sum of its proper divisors (10677271).

55512041 is a wasteful number, since it uses less digits than its factorization.

55512041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55512041 is about 7450.6403080541. The cubic root of 55512041 is about 381.4717646997.

Adding to 55512041 its reverse (14021555), we get a palindrome (69533596).

The spelling of 55512041 in words is "fifty-five million, five hundred twelve thousand, forty-one".

Divisors: 1 13 23 31 53 113 299 403 689 713 1219 1469 1643 2599 3503 5989 9269 15847 21359 33787 37789 45539 77857 80569 137747 185659 491257 1047397 1790711 2413567 4270157 55512041