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55402240001 = 292687710987
BaseRepresentation
bin110011100110001110…
…110001100000000001
312022000002002101201212
4303212032301200001
51401430433140001
641241302135505
74000630161413
oct634616614001
9168002071655
1055402240001
1121550135a09
12a8a2121595
1352bc045644
142977dba9b3
151693ca37bb
hexce63b1801

55402240001 has 8 divisors (see below), whose sum is σ = 57334072320. Its totient is φ = 53471835088.

The previous prime is 55402239953. The next prime is 55402240007. The reversal of 55402240001 is 10004220455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55402240001 - 234 = 38222370817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55402240007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277571 + ... + 433416.

It is an arithmetic number, because the mean of its divisors is an integer number (7166759040).

Almost surely, 255402240001 is an apocalyptic number.

It is an amenable number.

55402240001 is a deficient number, since it is larger than the sum of its proper divisors (1931832319).

55402240001 is a wasteful number, since it uses less digits than its factorization.

55402240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713703.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 55402240001 its reverse (10004220455), we get a palindrome (65406460456).

The spelling of 55402240001 in words is "fifty-five billion, four hundred two million, two hundred forty thousand, one".

Divisors: 1 29 2687 77923 710987 20618623 1910422069 55402240001