155553849554 has 8 divisors (see below), whose sum is σ = 233370876108. Its totient is φ = 77763557520.

The previous prime is 155553849499. The next prime is 155553849557. The reversal of 155553849554 is 455948355551.

155553849554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 115882372225 + 39671477329 = 340415^2 + 199177^2 .

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

It is a super-2 number, since 2×155553849554² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155553849493 and 155553849502.

It is not an unprimeable number, because it can be changed into a prime (155553849557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6669077 + ... + 6692360.

Almost surely, 2^155553849554 is an apocalyptic number.

155553849554 is a deficient number, since it is larger than the sum of its proper divisors (77817026554).

155553849554 is a wasteful number, since it uses less digits than its factorization.

155553849554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367260.

The product of its digits is 54000000, while the sum is 59.

The spelling of 155553849554 in words is "one hundred fifty-five billion, five hundred fifty-three million, eight hundred forty-nine thousand, five hundred fifty-four".