53530004 has 12 divisors (see below), whose sum is σ = 102193728. Its totient is φ = 24331800.

The previous prime is 53529989. The next prime is 53530007. The reversal of 53530004 is 40003535.

It is a super-2 number, since 2×53530004² = 5730922656480032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530007) 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, 608252 + ... + 608339.

It is an arithmetic number, because the mean of its divisors is an integer number (8516144).

Almost surely, 2^53530004 is an apocalyptic number.

It is an amenable number.

53530004 is a deficient number, since it is larger than the sum of its proper divisors (48663724).

53530004 is a wasteful number, since it uses less digits than its factorization.

53530004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216606 (or 1216604 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53530004 is about 7316.4201628939. The cubic root of 53530004 is about 376.8765294435.

Adding to 53530004 its reverse (40003535), we get a palindrome (93533539).

The spelling of 53530004 in words is "fifty-three million, five hundred thirty thousand, four".