51199734 has 16 divisors (see below), whose sum is σ = 104897520. Its totient is φ = 16650240.

The previous prime is 51199717. The next prime is 51199739. The reversal of 51199734 is 43799115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51199692 and 51199701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51199739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103819 + ... + 104310.

It is an arithmetic number, because the mean of its divisors is an integer number (6556095).

Almost surely, 2^51199734 is an apocalyptic number.

51199734 is an abundant number, since it is smaller than the sum of its proper divisors (53697786).

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

51199734 is a wasteful number, since it uses less digits than its factorization.

51199734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208175.

The product of its digits is 34020, while the sum is 39.

The square root of 51199734 is about 7155.3989406601. The cubic root of 51199734 is about 371.3264636345.

The spelling of 51199734 in words is "fifty-one million, one hundred ninety-nine thousand, seven hundred thirty-four".