51026136 has 32 divisors (see below), whose sum is σ = 145789440. Its totient is φ = 14578848.

The previous prime is 51026123. The next prime is 51026137. The reversal of 51026136 is 63162015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51026137) by changing a digit.

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, 151696 + ... + 152031.

It is an arithmetic number, because the mean of its divisors is an integer number (4555920).

Almost surely, 2^51026136 is an apocalyptic number.

51026136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51026136 is an abundant number, since it is smaller than the sum of its proper divisors (94763304).

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

51026136 is a wasteful number, since it uses less digits than its factorization.

51026136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303743 (or 303739 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51026136 is about 7143.2580801760. The cubic root of 51026136 is about 370.9063148144.

The spelling of 51026136 in words is "fifty-one million, twenty-six thousand, one hundred thirty-six".