547642990 has 8 divisors (see below), whose sum is σ = 985757400. Its totient is φ = 219057192.

The previous prime is 547642943. The next prime is 547643017. The reversal of 547642990 is 99246745.

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

It is a super-2 number, since 2×547642990² = 599825688992280200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 547642990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27382140 + ... + 27382159.

It is an arithmetic number, because the mean of its divisors is an integer number (123219675).

Almost surely, 2^547642990 is an apocalyptic number.

547642990 is a deficient number, since it is larger than the sum of its proper divisors (438114410).

547642990 is a wasteful number, since it uses less digits than its factorization.

547642990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54764306.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 547642990 is about 23401.7732234119. The cubic root of 547642990 is about 818.1492017263.

The spelling of 547642990 in words is "five hundred forty-seven million, six hundred forty-two thousand, nine hundred ninety".