55667025 has 18 divisors (see below), whose sum is σ = 99706230. Its totient is φ = 29688960.

The previous prime is 55667023. The next prime is 55667033. The reversal of 55667025 is 52076655.

55667025 is a `hidden beast` number, since 5 + 566 + 70 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 17918289 + 37748736 = 4233^2 + 6144^2 .

It is not a de Polignac number, because 55667025 - 2¹ = 55667023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55667023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123480 + ... + 123929.

It is an arithmetic number, because the mean of its divisors is an integer number (5539235).

Almost surely, 2^55667025 is an apocalyptic number.

It is an amenable number.

55667025 is a deficient number, since it is larger than the sum of its proper divisors (44039205).

55667025 is a wasteful number, since it uses less digits than its factorization.

55667025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247425 (or 247417 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55667025 is about 7461.0337755568. The cubic root of 55667025 is about 381.8264450129.

The spelling of 55667025 in words is "fifty-five million, six hundred sixty-seven thousand, twenty-five".