55158058 has 8 divisors (see below), whose sum is σ = 85590180. Its totient is φ = 26628000.

The previous prime is 55158043. The next prime is 55158067. The reversal of 55158058 is 85085155.

It can be written as a sum of positive squares in 2 ways, for example, as 48066489 + 7091569 = 6933^2 + 2663^2 .

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

It is a super-3 number, since 3×55158058³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475443 + ... + 475558.

Almost surely, 2^55158058 is an apocalyptic number.

55158058 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55158058 is a deficient number, since it is larger than the sum of its proper divisors (30432122).

55158058 is a wasteful number, since it uses less digits than its factorization.

55158058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951032.

The product of its (nonzero) digits is 40000, while the sum is 37.

The square root of 55158058 is about 7426.8471103154. The cubic root of 55158058 is about 380.6591928518.

The spelling of 55158058 in words is "fifty-five million, one hundred fifty-eight thousand, fifty-eight".