5661061054 has 8 divisors (see below), whose sum is σ = 9263554488. Its totient is φ = 2573209560.

The previous prime is 5661061051. The next prime is 5661061097. The reversal of 5661061054 is 4501601665.

It is a happy number.

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

It is a super-2 number, since 2×5661061054² = 64095224514231181832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661061051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128660457 + ... + 128660500.

It is an arithmetic number, because the mean of its divisors is an integer number (1157944311).

Almost surely, 2^5661061054 is an apocalyptic number.

5661061054 is a deficient number, since it is larger than the sum of its proper divisors (3602493434).

5661061054 is a wasteful number, since it uses less digits than its factorization.

5661061054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257320970.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5661061054 is about 75240.0229532129. The cubic root of 5661061054 is about 1782.2390136329.

The spelling of 5661061054 in words is "five billion, six hundred sixty-one million, sixty-one thousand, fifty-four".