51854055 has 16 divisors (see below), whose sum is σ = 90509184. Its totient is φ = 25141280.

The previous prime is 51854039. The next prime is 51854083. The reversal of 51854055 is 55045815.

It is not a de Polignac number, because 51854055 - 2⁴ = 51854039 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156969 + ... + 157298.

It is an arithmetic number, because the mean of its divisors is an integer number (5656824).

Almost surely, 2^51854055 is an apocalyptic number.

51854055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51854055 is a deficient number, since it is larger than the sum of its proper divisors (38655129).

51854055 is a wasteful number, since it uses less digits than its factorization.

51854055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314286.

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 51854055 is about 7200.9759755189. The cubic root of 51854055 is about 372.9015953183.

The spelling of 51854055 in words is "fifty-one million, eight hundred fifty-four thousand, fifty-five".