2055857458 has 32 divisors (see below), whose sum is σ = 3165696000. Its totient is φ = 1001113344.

The previous prime is 2055857407. The next prime is 2055857459. The reversal of 2055857458 is 8547585502.

It is a super-2 number, since 2×2055857458² = 8453099775228443528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055857459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4498366 + ... + 4498822.

It is an arithmetic number, because the mean of its divisors is an integer number (98928000).

Almost surely, 2^2055857458 is an apocalyptic number.

2055857458 is a deficient number, since it is larger than the sum of its proper divisors (1109838542).

2055857458 is a wasteful number, since it uses less digits than its factorization.

2055857458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 2240000, while the sum is 49.

The square root of 2055857458 is about 45341.5643532510. The cubic root of 2055857458 is about 1271.5428493323.

The spelling of 2055857458 in words is "two billion, fifty-five million, eight hundred fifty-seven thousand, four hundred fifty-eight".