51232077 has 12 divisors (see below), whose sum is σ = 79694524. Its totient is φ = 31527360.

The previous prime is 51232073. The next prime is 51232091. The reversal of 51232077 is 77023215.

It can be written as a sum of positive squares in 2 ways, for example, as 31036041 + 20196036 = 5571^2 + 4494^2 .

It is not a de Polignac number, because 51232077 - 2² = 51232073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51232077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218824 + ... + 219057.

Almost surely, 2^51232077 is an apocalyptic number.

It is an amenable number.

51232077 is a deficient number, since it is larger than the sum of its proper divisors (28462447).

51232077 is a wasteful number, since it uses less digits than its factorization.

51232077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437900 (or 437897 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 51232077 is about 7157.6586255563. The cubic root of 51232077 is about 371.4046364613.

The spelling of 51232077 in words is "fifty-one million, two hundred thirty-two thousand, seventy-seven".