Search a number
-
+
55651037 = 1325716657
BaseRepresentation
bin1101010001001…
…0101011011101
310212201100212112
43110102223131
5103221313122
65304443405
71244011631
oct324225335
9125640775
1055651037
11294604a2
1216779565
13b6b6610
147568dc1
154d442e2
hex3512add

55651037 has 8 divisors (see below), whose sum is σ = 60168696. Its totient is φ = 51167232.

The previous prime is 55651033. The next prime is 55651061. The reversal of 55651037 is 73015655.

It can be written as a sum of positive squares in 4 ways, for example, as 33570436 + 22080601 = 5794^2 + 4699^2 .

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 55651037 - 22 = 55651033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55650994 and 55651012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55651033) 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, 4988 + ... + 11669.

It is an arithmetic number, because the mean of its divisors is an integer number (7521087).

Almost surely, 255651037 is an apocalyptic number.

It is an amenable number.

55651037 is a deficient number, since it is larger than the sum of its proper divisors (4517659).

55651037 is a wasteful number, since it uses less digits than its factorization.

55651037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16927.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55651037 is about 7459.9622653201. The cubic root of 55651037 is about 381.7898870103.

The spelling of 55651037 in words is "fifty-five million, six hundred fifty-one thousand, thirty-seven".

Divisors: 1 13 257 3341 16657 216541 4280849 55651037