5487540261 has 32 divisors (see below), whose sum is σ = 8807159808. Its totient is φ = 2971341120.

The previous prime is 5487540241. The next prime is 5487540281. The reversal of 5487540261 is 1620457845.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5487540241) and next prime (5487540281).

It is not a de Polignac number, because 5487540261 - 2⁶ = 5487540197 is a prime.

It is a super-2 number, since 2×5487540261² = 60226196232191896242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5487540241) 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, 1410 + ... + 104771.

It is an arithmetic number, because the mean of its divisors is an integer number (275223744).

Almost surely, 2^5487540261 is an apocalyptic number.

It is an amenable number.

5487540261 is a deficient number, since it is larger than the sum of its proper divisors (3319619547).

5487540261 is a wasteful number, since it uses less digits than its factorization.

5487540261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106321.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 5487540261 is about 74077.9336982343. The cubic root of 5487540261 is about 1763.8402138138.

The spelling of 5487540261 in words is "five billion, four hundred eighty-seven million, five hundred forty thousand, two hundred sixty-one".