55025461 has 4 divisors (see below), whose sum is σ = 55043500. Its totient is φ = 55007424.

The previous prime is 55025437. The next prime is 55025479. The reversal of 55025461 is 16452055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16452055 = 5 ⋅3290411.

It can be written as a sum of positive squares in 2 ways, for example, as 46580625 + 8444836 = 6825^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 55025461 - 2¹³ = 55017269 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 (55025491) 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, 3186 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (13760875).

Almost surely, 2^55025461 is an apocalyptic number.

It is an amenable number.

55025461 is a deficient number, since it is larger than the sum of its proper divisors (18039).

55025461 is a wasteful number, since it uses less digits than its factorization.

55025461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18038.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55025461 is about 7417.9148687485. The cubic root of 55025461 is about 380.3539200368.

The spelling of 55025461 in words is "fifty-five million, twenty-five thousand, four hundred sixty-one".