51814068 has 24 divisors (see below), whose sum is σ = 125069280. Its totient is φ = 16675680.

The previous prime is 51814067. The next prime is 51814093. The reversal of 51814068 is 86041815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51814067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74098 + ... + 74793.

It is an arithmetic number, because the mean of its divisors is an integer number (5211220).

Almost surely, 2^51814068 is an apocalyptic number.

51814068 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51814068 is an abundant number, since it is smaller than the sum of its proper divisors (73255212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51814068 is a wasteful number, since it uses less digits than its factorization.

51814068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148927 (or 148925 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51814068 is about 7198.1989414019. The cubic root of 51814068 is about 372.8057169238.

The spelling of 51814068 in words is "fifty-one million, eight hundred fourteen thousand, sixty-eight".