52403570 has 8 divisors (see below), whose sum is σ = 94326444. Its totient is φ = 20961424.

The previous prime is 52403569. The next prime is 52403573. The reversal of 52403570 is 7530425.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 7070281 = 6733^2 + 2659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52403570² = 5492268297489800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52403573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620169 + ... + 2620188.

Almost surely, 2^52403570 is an apocalyptic number.

52403570 is a deficient number, since it is larger than the sum of its proper divisors (41922874).

52403570 is a wasteful number, since it uses less digits than its factorization.

52403570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240364.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 52403570 is about 7239.0310125044. The cubic root of 52403570 is about 374.2142242636.

Adding to 52403570 its reverse (7530425), we get a palindrome (59933995).

The spelling of 52403570 in words is "fifty-two million, four hundred three thousand, five hundred seventy".