55858306 has 16 divisors (see below), whose sum is σ = 99921024. Its totient is φ = 22898304.

The previous prime is 55858303. The next prime is 55858339. The reversal of 55858306 is 60385855.

It is not an unprimeable number, because it can be changed into a prime (55858301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86415 + ... + 87058.

It is an arithmetic number, because the mean of its divisors is an integer number (6245064).

Almost surely, 2^55858306 is an apocalyptic number.

55858306 is a deficient number, since it is larger than the sum of its proper divisors (44062718).

55858306 is a wasteful number, since it uses less digits than its factorization.

55858306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173505.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 55858306 is about 7473.8414486795. The cubic root of 55858306 is about 382.2632844096.

The spelling of 55858306 in words is "fifty-five million, eight hundred fifty-eight thousand, three hundred six".