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51108053 = 157367887
BaseRepresentation
bin1100001011110…
…1100011010101
310120011120001212
43002331203111
5101040424203
65023231205
71160261033
oct302754325
9116146055
1051108053
1126938267
1215148505
13a785869
146b05553
1547481d8
hex30bd8d5

51108053 has 8 divisors (see below), whose sum is σ = 51631872. Its totient is φ = 50587056.

The previous prime is 51108049. The next prime is 51108061. The reversal of 51108053 is 35080115.

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 51108053 - 22 = 51108049 is a prime.

It is a super-2 number, since 2×511080532 = 5224066162901618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51108073) 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, 57176 + ... + 58062.

It is an arithmetic number, because the mean of its divisors is an integer number (6453984).

Almost surely, 251108053 is an apocalyptic number.

It is an amenable number.

51108053 is a deficient number, since it is larger than the sum of its proper divisors (523819).

51108053 is a wasteful number, since it uses less digits than its factorization.

51108053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51108053 is about 7148.9896488945. The cubic root of 51108053 is about 371.1046921578.

Adding to 51108053 its reverse (35080115), we get a palindrome (86188168).

The spelling of 51108053 in words is "fifty-one million, one hundred eight thousand, fifty-three".

Divisors: 1 157 367 887 57619 139259 325529 51108053