51023005 has 16 divisors (see below), whose sum is σ = 67604544. Its totient is φ = 36657280.

The previous prime is 51022997. The next prime is 51023053. The reversal of 51023005 is 50032015.

It is not a de Polignac number, because 51023005 - 2³ = 51022997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51023005.

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, 1024 + ... + 10153.

It is an arithmetic number, because the mean of its divisors is an integer number (4225284).

Almost surely, 2^51023005 is an apocalyptic number.

51023005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51023005 is a deficient number, since it is larger than the sum of its proper divisors (16581539).

51023005 is a wasteful number, since it uses less digits than its factorization.

51023005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 51023005 is about 7143.0389191156. The cubic root of 51023005 is about 370.8987283008.

The spelling of 51023005 in words is "fifty-one million, twenty-three thousand, five".