55858371 has 8 divisors (see below), whose sum is σ = 75699024. Its totient is φ = 36628320.

The previous prime is 55858351. The next prime is 55858381. The reversal of 55858371 is 17385855.

It is a happy number.

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

It is not a de Polignac number, because 55858371 - 2⁵ = 55858339 is a prime.

It is a super-2 number, since 2×55858371² = 6240315221547282, which contains 22 as substring.

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, 152436 + ... + 152801.

It is an arithmetic number, because the mean of its divisors is an integer number (9462378).

Almost surely, 2^55858371 is an apocalyptic number.

55858371 is a deficient number, since it is larger than the sum of its proper divisors (19840653).

55858371 is a wasteful number, since it uses less digits than its factorization.

55858371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305301.

The product of its digits is 168000, while the sum is 42.

The square root of 55858371 is about 7473.8457971783. The cubic root of 55858371 is about 382.2634326842.

The spelling of 55858371 in words is "fifty-five million, eight hundred fifty-eight thousand, three hundred seventy-one".