51144055 has 8 divisors (see below), whose sum is σ = 61416432. Its totient is φ = 40886208.

The previous prime is 51144013. The next prime is 51144061. The reversal of 51144055 is 55044115.

It is a happy number.

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 51144055 - 2¹³ = 51135863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (7677054).

Almost surely, 2^51144055 is an apocalyptic number.

51144055 is a deficient number, since it is larger than the sum of its proper divisors (10272377).

51144055 is a wasteful number, since it uses less digits than its factorization.

51144055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 51144055 is about 7151.5071838040. The cubic root of 51144055 is about 371.1918106867.

It can be divided in two parts, 5 and 1144055, that multiplied together give a palindrome (5720275).

The spelling of 51144055 in words is "fifty-one million, one hundred forty-four thousand, fifty-five".