51055002 has 16 divisors (see below), whose sum is σ = 113455680. Its totient is φ = 17018316.

The previous prime is 51054989. The next prime is 51055013. The reversal of 51055002 is 20055015.

It is a super-2 number, since 2×51055002² = 5213226458440008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472678 + ... + 472785.

It is an arithmetic number, because the mean of its divisors is an integer number (7090980).

Almost surely, 2^51055002 is an apocalyptic number.

51055002 is an abundant number, since it is smaller than the sum of its proper divisors (62400678).

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

51055002 is a wasteful number, since it uses less digits than its factorization.

51055002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945474 (or 945468 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 51055002 is about 7145.2783010881. The cubic root of 51055002 is about 370.9762434446.

The spelling of 51055002 in words is "fifty-one million, fifty-five thousand, two".