525420420544552 has 64 divisors (see below), whose sum is σ = 1061783357886720. Its totient is φ = 242310200740608.

The previous prime is 525420420544483. The next prime is 525420420544729. The reversal of 525420420544552 is 255445024024525.

It is a junction number, because it is equal to n+sod(n) for n = 525420420544496 and 525420420544505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680574903 + ... + 681346489.

It is an arithmetic number, because the mean of its divisors is an integer number (16590364966980).

Almost surely, 2^{525420420544552} is an apocalyptic number.

525420420544552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525420420544552 is an abundant number, since it is smaller than the sum of its proper divisors (536362937342168).

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

525420420544552 is a wasteful number, since it uses less digits than its factorization.

525420420544552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776770 (or 776766 counting only the distinct ones).

The product of its (nonzero) digits is 12800000, while the sum is 49.

The spelling of 525420420544552 in words is "five hundred twenty-five trillion, four hundred twenty billion, four hundred twenty million, five hundred forty-four thousand, five hundred fifty-two".