51158055 has 16 divisors (see below), whose sum is σ = 88149600. Its totient is φ = 25185408.

The previous prime is 51158033. The next prime is 51158057. The reversal of 51158055 is 55085115.

It is not a de Polignac number, because 51158055 - 2⁶ = 51157991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51158057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130980 + ... + 131369.

It is an arithmetic number, because the mean of its divisors is an integer number (5509350).

Almost surely, 2^51158055 is an apocalyptic number.

51158055 is a deficient number, since it is larger than the sum of its proper divisors (36991545).

51158055 is a wasteful number, since it uses less digits than its factorization.

51158055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262370.

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 51158055 is about 7152.4859314786. The cubic root of 51158055 is about 371.2256771921.

The spelling of 51158055 in words is "fifty-one million, one hundred fifty-eight thousand, fifty-five".