213153055 has 32 divisors (see below), whose sum is σ = 286530048. Its totient is φ = 151449600.

The previous prime is 213153013. The next prime is 213153133. The reversal of 213153055 is 550351312.

It is not a de Polignac number, because 213153055 - 2¹³ = 213144863 is a prime.

It is a super-3 number, since 3×213153055³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107049 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (8954064).

Almost surely, 2^213153055 is an apocalyptic number.

213153055 is a deficient number, since it is larger than the sum of its proper divisors (73376993).

213153055 is a wasteful number, since it uses less digits than its factorization.

213153055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 213153055 is about 14599.7621555969. The cubic root of 213153055 is about 597.3522729037.

The spelling of 213153055 in words is "two hundred thirteen million, one hundred fifty-three thousand, fifty-five".