55040250025 has 12 divisors (see below), whose sum is σ = 70094503372. Its totient is φ = 42842139840.

The previous prime is 55040250011. The next prime is 55040250061. The reversal of 55040250025 is 52005204055.

It can be written as a sum of positive squares in 6 ways, for example, as 687855529 + 54352394496 = 26227^2 + 233136^2 .

It is not a de Polignac number, because 55040250025 - 2⁵ = 55040249993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55040249975 and 55040250002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29750562 + ... + 29752411.

Almost surely, 2^55040250025 is an apocalyptic number.

It is an amenable number.

55040250025 is a deficient number, since it is larger than the sum of its proper divisors (15054253347).

55040250025 is a wasteful number, since it uses less digits than its factorization.

55040250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59503020 (or 59503015 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The spelling of 55040250025 in words is "fifty-five billion, forty million, two hundred fifty thousand, twenty-five".