55005025 has 12 divisors (see below), whose sum is σ = 70559100. Its totient is φ = 42486080.

The previous prime is 55005023. The next prime is 55005037. The reversal of 55005025 is 52050055.

It can be written as a sum of positive squares in 6 ways, for example, as 141376 + 54863649 = 376^2 + 7407^2 .

It is not a de Polignac number, because 55005025 - 2¹ = 55005023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55004987 and 55005005.

It is not an unprimeable number, because it can be changed into a prime (55005023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37210 + ... + 38659.

It is an arithmetic number, because the mean of its divisors is an integer number (5879925).

Almost surely, 2^55005025 is an apocalyptic number.

It is an amenable number.

55005025 is a deficient number, since it is larger than the sum of its proper divisors (15554075).

55005025 is a wasteful number, since it uses less digits than its factorization.

55005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75908 (or 75903 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 55005025 is about 7416.5372647887. The cubic root of 55005025 is about 380.3068274423.

The spelling of 55005025 in words is "fifty-five million, five thousand, twenty-five".