55078150 has 24 divisors (see below), whose sum is σ = 107839080. Its totient is φ = 20871360.

The previous prime is 55078109. The next prime is 55078151. The reversal of 55078150 is 5187055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55078151) by changing a digit.

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, 28039 + ... + 29938.

It is an arithmetic number, because the mean of its divisors is an integer number (4493295).

Almost surely, 2^55078150 is an apocalyptic number.

55078150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55078150 is a deficient number, since it is larger than the sum of its proper divisors (52760930).

55078150 is a wasteful number, since it uses less digits than its factorization.

55078150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58008 (or 58003 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55078150 is about 7421.4654887023. The cubic root of 55078150 is about 380.4752824887.

The spelling of 55078150 in words is "fifty-five million, seventy-eight thousand, one hundred fifty".