51355030 has 8 divisors (see below), whose sum is σ = 92439072. Its totient is φ = 20542008.

The previous prime is 51355009. The next prime is 51355033. The reversal of 51355030 is 3055315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51354992 and 51355010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51355033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567742 + ... + 2567761.

It is an arithmetic number, because the mean of its divisors is an integer number (11554884).

Almost surely, 2^51355030 is an apocalyptic number.

51355030 is a deficient number, since it is larger than the sum of its proper divisors (41084042).

51355030 is a wasteful number, since it uses less digits than its factorization.

51355030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135510.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 51355030 is about 7166.2423905419. The cubic root of 51355030 is about 371.7015131741.

The spelling of 51355030 in words is "fifty-one million, three hundred fifty-five thousand, thirty".