542129750 has 16 divisors (see below), whose sum is σ = 1014867360. Its totient is φ = 216851800.

The previous prime is 542129747. The next prime is 542129759. The reversal of 542129750 is 57921245.

It is a self number, because there is not a number n which added to its sum of digits gives 542129750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542129759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084010 + ... + 1084509.

It is an arithmetic number, because the mean of its divisors is an integer number (63429210).

Almost surely, 2^542129750 is an apocalyptic number.

542129750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542129750 is a deficient number, since it is larger than the sum of its proper divisors (472737610).

542129750 is a wasteful number, since it uses less digits than its factorization.

542129750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168536 (or 2168526 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 542129750 is about 23283.6799067501. The cubic root of 542129750 is about 815.3944419109.

The spelling of 542129750 in words is "five hundred forty-two million, one hundred twenty-nine thousand, seven hundred fifty".