52400112 has 40 divisors (see below), whose sum is σ = 138253056. Its totient is φ = 17094336.

The previous prime is 52400087. The next prime is 52400149. The reversal of 52400112 is 21100425.

It is a super-2 number, since 2×52400112² = 5491543475225088, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 52400091 and 52400100.

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, 9358 + ... + 13869.

Almost surely, 2^52400112 is an apocalyptic number.

It is an amenable number.

52400112 is an abundant number, since it is smaller than the sum of its proper divisors (85852944).

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

52400112 is a wasteful number, since it uses less digits than its factorization.

52400112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23285 (or 23279 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52400112 is about 7238.7921644429. The cubic root of 52400112 is about 374.2059928826.

Adding to 52400112 its reverse (21100425), we get a palindrome (73500537).

The spelling of 52400112 in words is "fifty-two million, four hundred thousand, one hundred twelve".