55908535 has 4 divisors (see below), whose sum is σ = 67090248. Its totient is φ = 44726824.

The previous prime is 55908533. The next prime is 55908539. The reversal of 55908535 is 53580955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53580955 = 5 ⋅10716191.

It is a cyclic number.

It is not a de Polignac number, because 55908535 - 2¹ = 55908533 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 (55908533) 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, 5590849 + ... + 5590858.

It is an arithmetic number, because the mean of its divisors is an integer number (16772562).

Almost surely, 2^55908535 is an apocalyptic number.

55908535 is a deficient number, since it is larger than the sum of its proper divisors (11181713).

55908535 is a wasteful number, since it uses less digits than its factorization.

55908535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181712.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 55908535 is about 7477.2010137484. The cubic root of 55908535 is about 382.3778298940.

The spelling of 55908535 in words is "fifty-five million, nine hundred eight thousand, five hundred thirty-five".