55158363 has 12 divisors (see below), whose sum is σ = 85802080. Its totient is φ = 33943536.

The previous prime is 55158359. The next prime is 55158413. The reversal of 55158363 is 36385155.

55158363 is a `hidden beast` number, since 5 + 515 + 83 + 63 = 666.

It is not a de Polignac number, because 55158363 - 2² = 55158359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55158343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235603 + ... + 235836.

Almost surely, 2^55158363 is an apocalyptic number.

55158363 is a deficient number, since it is larger than the sum of its proper divisors (30643717).

55158363 is a wasteful number, since it uses less digits than its factorization.

55158363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471458 (or 471455 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55158363 is about 7426.8676438994. The cubic root of 55158363 is about 380.6598944770.

The spelling of 55158363 in words is "fifty-five million, one hundred fifty-eight thousand, three hundred sixty-three".