55158084 has 36 divisors (see below), whose sum is σ = 144593904. Its totient is φ = 18385704.

The previous prime is 55158067. The next prime is 55158113. The reversal of 55158084 is 48085155.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27402 + ... + 29345.

Almost surely, 2^55158084 is an apocalyptic number.

55158084 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55158084 is an abundant number, since it is smaller than the sum of its proper divisors (89435820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55158084 is a wasteful number, since it uses less digits than its factorization.

55158084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56766 (or 56752 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 55158084 is about 7426.8488607215. The cubic root of 55158084 is about 380.6592526626.

The spelling of 55158084 in words is "fifty-five million, one hundred fifty-eight thousand, eighty-four".