155544053 has 8 divisors (see below), whose sum is σ = 177843072. Its totient is φ = 133264656.

The previous prime is 155544047. The next prime is 155544071. The reversal of 155544053 is 350445551.

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

It is not a de Polignac number, because 155544053 - 2⁶ = 155543989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155544073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776 + ... + 28022.

It is an arithmetic number, because the mean of its divisors is an integer number (22230384).

Almost surely, 2^155544053 is an apocalyptic number.

It is an amenable number.

155544053 is a deficient number, since it is larger than the sum of its proper divisors (22299019).

155544053 is an equidigital number, since it uses as much as digits as its factorization.

155544053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 155544053 is about 12471.7301526292. The cubic root of 155544053 is about 537.7962922391.

The spelling of 155544053 in words is "one hundred fifty-five million, five hundred forty-four thousand, fifty-three".