5901555 has 32 divisors (see below), whose sum is σ = 10533888. Its totient is φ = 2796800.

The previous prime is 5901551. The next prime is 5901557. The reversal of 5901555 is 5551095.

It is not a de Polignac number, because 5901555 - 2² = 5901551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5901551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7375 + ... + 8135.

It is an arithmetic number, because the mean of its divisors is an integer number (329184).

Almost surely, 2^5901555 is an apocalyptic number.

5901555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5901555 is a deficient number, since it is larger than the sum of its proper divisors (4632333).

5901555 is a wasteful number, since it uses less digits than its factorization.

5901555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 5901555 is about 2429.3116308946. The cubic root of 5901555 is about 180.7127603207.

It can be divided in two parts, 590 and 1555, that added together give a triangular number (2145 = T₆₅).

The spelling of 5901555 in words is "five million, nine hundred one thousand, five hundred fifty-five".