51343790 has 32 divisors (see below), whose sum is σ = 95541120. Its totient is φ = 19851264.

The previous prime is 51343771. The next prime is 51343793. The reversal of 51343790 is 9734315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71051 + ... + 71769.

It is an arithmetic number, because the mean of its divisors is an integer number (2985660).

Almost surely, 2^51343790 is an apocalyptic number.

51343790 is a deficient number, since it is larger than the sum of its proper divisors (44197330).

51343790 is a wasteful number, since it uses less digits than its factorization.

51343790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 51343790 is about 7165.4581151522. The cubic root of 51343790 is about 371.6743932740.

The spelling of 51343790 in words is "fifty-one million, three hundred forty-three thousand, seven hundred ninety".