531054385251450 has 24 divisors (see below), whose sum is σ = 1317014875423968. Its totient is φ = 141614502733680.

The previous prime is 531054385251427. The next prime is 531054385251451. The reversal of 531054385251450 is 54152583450135.

It is a junction number, because it is equal to n+sod(n) for n = 531054385251393 and 531054385251402.

It is not an unprimeable number, because it can be changed into a prime (531054385251451) 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, 1770181284022 + ... + 1770181284321.

It is an arithmetic number, because the mean of its divisors is an integer number (54875619809332).

Almost surely, 2^{531054385251450} is an apocalyptic number.

531054385251450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531054385251450 is an abundant number, since it is smaller than the sum of its proper divisors (785960490172518).

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

531054385251450 is a wasteful number, since it uses less digits than its factorization.

531054385251450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540362568358 (or 3540362568353 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 531054385251450 in words is "five hundred thirty-one trillion, fifty-four billion, three hundred eighty-five million, two hundred fifty-one thousand, four hundred fifty".