863052552 has 48 divisors (see below), whose sum is σ = 2439066240. Its totient is φ = 275175648.

The previous prime is 863052479. The next prime is 863052559. The reversal of 863052552 is 255250368.

It is a happy number.

863052552 is a `hidden beast` number, since 86 + 3 + 0 + 525 + 52 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (863052559) 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, 258928 + ... + 262239.

It is an arithmetic number, because the mean of its divisors is an integer number (50813880).

Almost surely, 2^863052552 is an apocalyptic number.

It is an amenable number.

863052552 is an abundant number, since it is smaller than the sum of its proper divisors (1576013688).

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

863052552 is a wasteful number, since it uses less digits than its factorization.

863052552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521202 (or 521195 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 863052552 is about 29377.7560749626. The cubic root of 863052552 is about 952.0923603398.

The spelling of 863052552 in words is "eight hundred sixty-three million, fifty-two thousand, five hundred fifty-two".