52400488 has 64 divisors (see below), whose sum is σ = 117596160. Its totient is φ = 21422016.

The previous prime is 52400479. The next prime is 52400503. The reversal of 52400488 is 88400425.

52400488 = T₃₈₂ + T₃₈₃ + ... + T₇₁₇.

52400488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52400488² = 5491622285276288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112945 + ... + 113407.

It is an arithmetic number, because the mean of its divisors is an integer number (1837440).

Almost surely, 2^52400488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52400488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58798080).

52400488 is an abundant number, since it is smaller than the sum of its proper divisors (65195672).

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

52400488 is a wasteful number, since it uses less digits than its factorization.

52400488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 52400488 is about 7238.8181355799. The cubic root of 52400488 is about 374.2068879260.

The spelling of 52400488 in words is "fifty-two million, four hundred thousand, four hundred eighty-eight".