5251553604 has 36 divisors (see below), whose sum is σ = 14481558000. Its totient is φ = 1591379760.

The previous prime is 5251553581. The next prime is 5251553611. The reversal of 5251553604 is 4063551525.

5251553604 is a `hidden beast` number, since 52 + 51 + 553 + 6 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6630354 + ... + 6631145.

It is an arithmetic number, because the mean of its divisors is an integer number (402265500).

Almost surely, 2^5251553604 is an apocalyptic number.

It is an amenable number.

5251553604 is an abundant number, since it is smaller than the sum of its proper divisors (9230004396).

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

5251553604 is a wasteful number, since it uses less digits than its factorization.

5251553604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261520 (or 13261515 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5251553604 is about 72467.6038240537. The cubic root of 5251553604 is about 1738.1847458174.

It can be divided in two parts, 5251 and 553604, that added together give a palindrome (558855).

The spelling of 5251553604 in words is "five billion, two hundred fifty-one million, five hundred fifty-three thousand, six hundred four".