51148002 has 16 divisors (see below), whose sum is σ = 108313632. Its totient is φ = 16046400.

The previous prime is 51147989. The next prime is 51148037. The reversal of 51148002 is 20084115.

It is a super-2 number, since 2×51148002² = 5232236217184008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51148002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250624 + ... + 250827.

It is an arithmetic number, because the mean of its divisors is an integer number (6769602).

Almost surely, 2^51148002 is an apocalyptic number.

51148002 is an abundant number, since it is smaller than the sum of its proper divisors (57165630).

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

51148002 is a wasteful number, since it uses less digits than its factorization.

51148002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501473.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 51148002 is about 7151.7831342959. The cubic root of 51148002 is about 371.2013592477.

The spelling of 51148002 in words is "fifty-one million, one hundred forty-eight thousand, two".