5515630452 has 36 divisors (see below), whose sum is σ = 14282347716. Its totient is φ = 1793700480.

The previous prime is 5515630451. The next prime is 5515630469. The reversal of 5515630452 is 2540365155.

5515630452 is a `hidden beast` number, since 5 + 5 + 15 + 630 + 4 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1628606736 + 3887023716 = 40356^2 + 62346^2 .

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515630451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866963 + ... + 1869914.

It is an arithmetic number, because the mean of its divisors is an integer number (396731881).

Almost surely, 2^5515630452 is an apocalyptic number.

It is an amenable number.

5515630452 is an abundant number, since it is smaller than the sum of its proper divisors (8766717264).

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

5515630452 is a wasteful number, since it uses less digits than its factorization.

5515630452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736928 (or 3736923 counting only the distinct ones).

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

The square root of 5515630452 is about 74267.2905928310. The cubic root of 5515630452 is about 1766.8447358346.

The spelling of 5515630452 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, four hundred fifty-two".