55939485 has 16 divisors (see below), whose sum is σ = 102289536. Its totient is φ = 25572288.

The previous prime is 55939483. The next prime is 55939487. The reversal of 55939485 is 58493955.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55939483) and next prime (55939487).

It is not a de Polignac number, because 55939485 - 2¹ = 55939483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55939483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266274 + ... + 266483.

It is an arithmetic number, because the mean of its divisors is an integer number (6393096).

Almost surely, 2^55939485 is an apocalyptic number.

It is an amenable number.

55939485 is a deficient number, since it is larger than the sum of its proper divisors (46350051).

55939485 is a wasteful number, since it uses less digits than its factorization.

55939485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532772.

The product of its digits is 972000, while the sum is 48.

The square root of 55939485 is about 7479.2703521132. The cubic root of 55939485 is about 382.4483761334.

The spelling of 55939485 in words is "fifty-five million, nine hundred thirty-nine thousand, four hundred eighty-five".