51055153 has 4 divisors (see below), whose sum is σ = 52435060. Its totient is φ = 49675248.

The previous prime is 51055141. The next prime is 51055159. The reversal of 51055153 is 35155015.

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 41113744 + 9941409 = 6412^2 + 3153^2 .

It is a cyclic number.

It is not a de Polignac number, because 51055153 - 2²¹ = 48958001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51055159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689898 + ... + 689971.

It is an arithmetic number, because the mean of its divisors is an integer number (13108765).

Almost surely, 2^51055153 is an apocalyptic number.

It is an amenable number.

51055153 is a deficient number, since it is larger than the sum of its proper divisors (1379907).

51055153 is a wasteful number, since it uses less digits than its factorization.

51055153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379906.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 51055153 is about 7145.2888674986. The cubic root of 51055153 is about 370.9766091767.

The spelling of 51055153 in words is "fifty-one million, fifty-five thousand, one hundred fifty-three".