51829340 has 24 divisors (see below), whose sum is σ = 114570960. Its totient is φ = 19640448.

The previous prime is 51829333. The next prime is 51829363. The reversal of 51829340 is 4392815.

It is a junction number, because it is equal to n+sod(n) for n = 51829297 and 51829306.

It is a congruent number.

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, 67817 + ... + 68576.

It is an arithmetic number, because the mean of its divisors is an integer number (4773790).

Almost surely, 2^51829340 is an apocalyptic number.

It is an amenable number.

51829340 is an abundant number, since it is smaller than the sum of its proper divisors (62741620).

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

51829340 is a wasteful number, since it uses less digits than its factorization.

51829340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136421 (or 136419 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 51829340 is about 7199.2596841620. The cubic root of 51829340 is about 372.8423410160.

The spelling of 51829340 in words is "fifty-one million, eight hundred twenty-nine thousand, three hundred forty".