155252053 has 8 divisors (see below), whose sum is σ = 169676640. Its totient is φ = 140879280.

The previous prime is 155252033. The next prime is 155252057. The reversal of 155252053 is 350252551.

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

It is a cyclic number.

It is not a de Polignac number, because 155252053 - 2¹³ = 155243861 is a prime.

It is a super-3 number, since 3×155252053³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155252057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6543 + ... + 18796.

It is an arithmetic number, because the mean of its divisors is an integer number (21209580).

Almost surely, 2^155252053 is an apocalyptic number.

It is an amenable number.

155252053 is a deficient number, since it is larger than the sum of its proper divisors (14424587).

155252053 is a wasteful number, since it uses less digits than its factorization.

155252053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25907.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 155252053 is about 12460.0181781569. The cubic root of 155252053 is about 537.4595497232.

It can be divided in two parts, 15525 and 2053, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 155252053 in words is "one hundred fifty-five million, two hundred fifty-two thousand, fifty-three".