51101053 has 4 divisors (see below), whose sum is σ = 51569980. Its totient is φ = 50632128.

The previous prime is 51101023. The next prime is 51101087. The reversal of 51101053 is 35010115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45522009 + 5579044 = 6747^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 51101053 - 2¹⁷ = 50969981 is a prime.

It is a super-2 number, since 2×51101053² = 5222635235417618, which contains 22 as substring.

It is the 7149-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51101003) by changing a digit.

It is a nontrivial repunit in base 7148.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234300 + ... + 234517.

It is an arithmetic number, because the mean of its divisors is an integer number (12892495).

Almost surely, 2^51101053 is an apocalyptic number.

It is an amenable number.

51101053 is a deficient number, since it is larger than the sum of its proper divisors (468927).

51101053 is a wasteful number, since it uses less digits than its factorization.

51101053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468926.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 51101053 is about 7148.5000524586. The cubic root of 51101053 is about 371.0877486345.

Adding to 51101053 its reverse (35010115), we get a palindrome (86111168).

The spelling of 51101053 in words is "fifty-one million, one hundred one thousand, fifty-three".