2555437501 has 4 divisors (see below), whose sum is σ = 2705757372. Its totient is φ = 2405117632.

The previous prime is 2555437499. The next prime is 2555437513. The reversal of 2555437501 is 1057345552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1711476900 + 843960601 = 41370^2 + 29051^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555437501 - 2¹ = 2555437499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555437531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75159910 + ... + 75159943.

It is an arithmetic number, because the mean of its divisors is an integer number (676439343).

Almost surely, 2^2555437501 is an apocalyptic number.

It is an amenable number.

2555437501 is a deficient number, since it is larger than the sum of its proper divisors (150319871).

2555437501 is a wasteful number, since it uses less digits than its factorization.

2555437501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150319870.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 2555437501 is about 50551.3353038275. The cubic root of 2555437501 is about 1367.1675903646.

The spelling of 2555437501 in words is "two billion, five hundred fifty-five million, four hundred thirty-seven thousand, five hundred one".