55190655 has 24 divisors (see below), whose sum is σ = 103023648. Its totient is φ = 27170496.

The previous prime is 55190623. The next prime is 55190657. The reversal of 55190655 is 55609155.

It is not a de Polignac number, because 55190655 - 2⁵ = 55190623 is a prime.

It is a super-3 number, since 3×55190655³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55190657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46587 + ... + 47756.

It is an arithmetic number, because the mean of its divisors is an integer number (4292652).

Almost surely, 2^55190655 is an apocalyptic number.

55190655 is a deficient number, since it is larger than the sum of its proper divisors (47832993).

55190655 is a wasteful number, since it uses less digits than its factorization.

55190655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94367 (or 94364 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The square root of 55190655 is about 7429.0413244240. The cubic root of 55190655 is about 380.7341646971.

The spelling of 55190655 in words is "fifty-five million, one hundred ninety thousand, six hundred fifty-five".