2055156531 has 8 divisors (see below), whose sum is σ = 2752281024. Its totient is φ = 1364068200.

The previous prime is 2055156511. The next prime is 2055156581. The reversal of 2055156531 is 1356515502.

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

It is not a de Polignac number, because 2055156531 - 2⁷ = 2055156403 is a prime.

It is a super-2 number, since 2×2055156531² = 8447336733823907922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2055156492 and 2055156501.

It is not an unprimeable number, because it can be changed into a prime (2055156511) 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, 1508245 + ... + 1509606.

It is an arithmetic number, because the mean of its divisors is an integer number (344035128).

Almost surely, 2^2055156531 is an apocalyptic number.

2055156531 is a deficient number, since it is larger than the sum of its proper divisors (697124493).

2055156531 is a wasteful number, since it uses less digits than its factorization.

2055156531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018081.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 2055156531 is about 45333.8342852223. The cubic root of 2055156531 is about 1271.3983256901.

The spelling of 2055156531 in words is "two billion, fifty-five million, one hundred fifty-six thousand, five hundred thirty-one".