51254055 has 12 divisors (see below), whose sum is σ = 88840440. Its totient is φ = 27335472.

The previous prime is 51254041. The next prime is 51254057. The reversal of 51254055 is 55045215.

It is not a de Polignac number, because 51254055 - 2⁵ = 51254023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51254057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569445 + ... + 569534.

It is an arithmetic number, because the mean of its divisors is an integer number (7403370).

Almost surely, 2^51254055 is an apocalyptic number.

51254055 is a deficient number, since it is larger than the sum of its proper divisors (37586385).

51254055 is a wasteful number, since it uses less digits than its factorization.

51254055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138990 (or 1138987 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 51254055 is about 7159.1937395212. The cubic root of 51254055 is about 371.4577383759.

It can be divided in two parts, 5125 and 4055, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 51254055 in words is "fifty-one million, two hundred fifty-four thousand, fifty-five".