542655644 has 6 divisors (see below), whose sum is σ = 949647384. Its totient is φ = 271327820.

The previous prime is 542655643. The next prime is 542655649. The reversal of 542655644 is 446556245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542655643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67831952 + ... + 67831959.

It is an arithmetic number, because the mean of its divisors is an integer number (158274564).

Almost surely, 2^542655644 is an apocalyptic number.

It is an amenable number.

542655644 is a deficient number, since it is larger than the sum of its proper divisors (406991740).

542655644 is a wasteful number, since it uses less digits than its factorization.

542655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135663915 (or 135663913 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 542655644 is about 23294.9703584272. The cubic root of 542655644 is about 815.6580150149.

The spelling of 542655644 in words is "five hundred forty-two million, six hundred fifty-five thousand, six hundred forty-four".