51133026 has 32 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 14582736.

The previous prime is 51133021. The next prime is 51133031. The reversal of 51133026 is 62033115.

It is an interprime number because it is at equal distance from previous prime (51133021) and next prime (51133031).

It is a super-2 number, since 2×51133026² = 5229172695833352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 51132993 and 51133011.

It is not an unprimeable number, because it can be changed into a prime (51133021) 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 15 ways as a sum of consecutive naturals, for example, 39985 + ... + 41243.

It is an arithmetic number, because the mean of its divisors is an integer number (3659040).

Almost surely, 2^51133026 is an apocalyptic number.

51133026 is an abundant number, since it is smaller than the sum of its proper divisors (65956254).

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

51133026 is a wasteful number, since it uses less digits than its factorization.

51133026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51133026 is about 7150.7360460305. The cubic root of 51133026 is about 371.1651267851.

The spelling of 51133026 in words is "fifty-one million, one hundred thirty-three thousand, twenty-six".