52097740 has 12 divisors (see below), whose sum is σ = 109405296. Its totient is φ = 20839088.

The previous prime is 52097723. The next prime is 52097777. The reversal of 52097740 is 4779025.

It is a junction number, because it is equal to n+sod(n) for n = 52097696 and 52097705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302424 + ... + 1302463.

It is an arithmetic number, because the mean of its divisors is an integer number (9117108).

Almost surely, 2^52097740 is an apocalyptic number.

It is an amenable number.

52097740 is an abundant number, since it is smaller than the sum of its proper divisors (57307556).

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

52097740 is a wasteful number, since it uses less digits than its factorization.

52097740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604896 (or 2604894 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 52097740 is about 7217.8764190030. The cubic root of 52097740 is about 373.4848254944.

The spelling of 52097740 in words is "fifty-two million, ninety-seven thousand, seven hundred forty".