55019270 has 16 divisors (see below), whose sum is σ = 100714320. Its totient is φ = 21634464.

The previous prime is 55019267. The next prime is 55019287. The reversal of 55019270 is 7291055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46037 + ... + 47216.

It is an arithmetic number, because the mean of its divisors is an integer number (6294645).

Almost surely, 2^55019270 is an apocalyptic number.

55019270 is a deficient number, since it is larger than the sum of its proper divisors (45695050).

55019270 is a wasteful number, since it uses less digits than its factorization.

55019270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93319.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 55019270 is about 7417.4975564539. The cubic root of 55019270 is about 380.3396547652.

The spelling of 55019270 in words is "fifty-five million, nineteen thousand, two hundred seventy".