542513355325250 has 128 divisors (see below), whose sum is σ = 1083000444507072. Its totient is φ = 202787522150400.

The previous prime is 542513355325247. The next prime is 542513355325289. The reversal of 542513355325250 is 52523553315245.

It can be written as a sum of positive squares in 32 ways, for example, as 85772214846241 + 456741140479009 = 9261329^2 + 21371503^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348782252 + ... + 350334248.

Almost surely, 2^{542513355325250} is an apocalyptic number.

542513355325250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542513355325250 is a deficient number, since it is larger than the sum of its proper divisors (540487089181822).

542513355325250 is a wasteful number, since it uses less digits than its factorization.

542513355325250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552617 (or 1552607 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 50.

The spelling of 542513355325250 in words is "five hundred forty-two trillion, five hundred thirteen billion, three hundred fifty-five million, three hundred twenty-five thousand, two hundred fifty".