55858071 has 8 divisors (see below), whose sum is σ = 74971264. Its totient is φ = 36991800.

The previous prime is 55858069. The next prime is 55858093. The reversal of 55858071 is 17085855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55858071 - 2¹ = 55858069 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 (55858871) 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, 61201 + ... + 62106.

It is an arithmetic number, because the mean of its divisors is an integer number (9371408).

Almost surely, 2^55858071 is an apocalyptic number.

55858071 is a deficient number, since it is larger than the sum of its proper divisors (19113193).

55858071 is a wasteful number, since it uses less digits than its factorization.

55858071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123461.

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 55858071 is about 7473.8257271628. The cubic root of 55858071 is about 382.2627483389.

The spelling of 55858071 in words is "fifty-five million, eight hundred fifty-eight thousand, seventy-one".