542253646 has 16 divisors (see below), whose sum is σ = 900570240. Its totient is φ = 242799480.

The previous prime is 542253631. The next prime is 542253661. The reversal of 542253646 is 646352245.

It is an interprime number because it is at equal distance from previous prime (542253631) and next prime (542253661).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182466 + ... + 185413.

It is an arithmetic number, because the mean of its divisors is an integer number (56285640).

Almost surely, 2^542253646 is an apocalyptic number.

542253646 is a deficient number, since it is larger than the sum of its proper divisors (358316594).

542253646 is a wasteful number, since it uses less digits than its factorization.

542253646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367959.

The product of its digits is 172800, while the sum is 37.

The square root of 542253646 is about 23286.3403307604. The cubic root of 542253646 is about 815.4565527585.

The spelling of 542253646 in words is "five hundred forty-two million, two hundred fifty-three thousand, six hundred forty-six".