51056153 has 4 divisors (see below), whose sum is σ = 52816740. Its totient is φ = 49295568.

The previous prime is 51056143. The next prime is 51056167. The reversal of 51056153 is 35165015.

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 14235529 + 36820624 = 3773^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 51056153 - 2¹⁰ = 51055129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51056143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880250 + ... + 880307.

It is an arithmetic number, because the mean of its divisors is an integer number (13204185).

Almost surely, 2^51056153 is an apocalyptic number.

It is an amenable number.

51056153 is a deficient number, since it is larger than the sum of its proper divisors (1760587).

51056153 is a wasteful number, since it uses less digits than its factorization.

51056153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760586.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 51056153 is about 7145.3588433332. The cubic root of 51056153 is about 370.9790312253.

The spelling of 51056153 in words is "fifty-one million, fifty-six thousand, one hundred fifty-three".