554385690 has 48 divisors (see below), whose sum is σ = 1465046856. Its totient is φ = 145411200.

The previous prime is 554385677. The next prime is 554385709. The reversal of 554385690 is 96583455.

554385690 is a `hidden beast` number, since 5 + 54 + 38 + 569 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106936281 + 447449409 = 10341^2 + 21153^2 .

It is a super-2 number, since 2×554385690² = 614686986553552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45001 + ... + 55980.

Almost surely, 2^554385690 is an apocalyptic number.

554385690 is an abundant number, since it is smaller than the sum of its proper divisors (910661166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554385690 is a wasteful number, since it uses less digits than its factorization.

554385690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101055 (or 101052 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 554385690 is about 23545.3963653195. The cubic root of 554385690 is about 821.4932586307.

The spelling of 554385690 in words is "five hundred fifty-four million, three hundred eighty-five thousand, six hundred ninety".