155455053 has 16 divisors (see below), whose sum is σ = 223606656. Its totient is φ = 95497920.

The previous prime is 155455031. The next prime is 155455073. The reversal of 155455053 is 350554551.

It is not a de Polignac number, because 155455053 - 2¹⁸ = 155192909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155455073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21451 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (13975416).

Almost surely, 2^155455053 is an apocalyptic number.

155455053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155455053 is a deficient number, since it is larger than the sum of its proper divisors (68151603).

155455053 is a wasteful number, since it uses less digits than its factorization.

155455053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 155455053 is about 12468.1615725816. The cubic root of 155455053 is about 537.6936996488.

The spelling of 155455053 in words is "one hundred fifty-five million, four hundred fifty-five thousand, fifty-three".