51673455 has 24 divisors (see below), whose sum is σ = 94837392. Its totient is φ = 25937664.

The previous prime is 51673429. The next prime is 51673459. The reversal of 51673455 is 55437615.

It is not a de Polignac number, because 51673455 - 2⁷ = 51673327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33009 + ... + 34538.

It is an arithmetic number, because the mean of its divisors is an integer number (3951558).

Almost surely, 2^51673455 is an apocalyptic number.

51673455 is a deficient number, since it is larger than the sum of its proper divisors (43163937).

51673455 is a wasteful number, since it uses less digits than its factorization.

51673455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67575 (or 67572 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 51673455 is about 7188.4250709039. The cubic root of 51673455 is about 372.4681713867.

The spelling of 51673455 in words is "fifty-one million, six hundred seventy-three thousand, four hundred fifty-five".