542550949 has 8 divisors (see below), whose sum is σ = 544824000. Its totient is φ = 540283392.

The previous prime is 542550941. The next prime is 542550959. The reversal of 542550949 is 949055245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542550949 - 2³ = 542550941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542550941) 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, 384357 + ... + 385765.

It is an arithmetic number, because the mean of its divisors is an integer number (68103000).

Almost surely, 2^542550949 is an apocalyptic number.

It is an amenable number.

542550949 is a deficient number, since it is larger than the sum of its proper divisors (2273051).

542550949 is a wasteful number, since it uses less digits than its factorization.

542550949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 542550949 is about 23292.7230911287. The cubic root of 542550949 is about 815.6055564504.

The spelling of 542550949 in words is "five hundred forty-two million, five hundred fifty thousand, nine hundred forty-nine".