55158356 has 12 divisors (see below), whose sum is σ = 105302400. Its totient is φ = 25071960.

The previous prime is 55158343. The next prime is 55158359. The reversal of 55158356 is 65385155.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55158359) 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, 626756 + ... + 626843.

It is an arithmetic number, because the mean of its divisors is an integer number (8775200).

Almost surely, 2^55158356 is an apocalyptic number.

It is an amenable number.

55158356 is a deficient number, since it is larger than the sum of its proper divisors (50144044).

55158356 is a wasteful number, since it uses less digits than its factorization.

55158356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253614 (or 1253612 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 55158356 is about 7426.8671726375. The cubic root of 55158356 is about 380.6598783741.

The spelling of 55158356 in words is "fifty-five million, one hundred fifty-eight thousand, three hundred fifty-six".