55099294 has 4 divisors (see below), whose sum is σ = 82648944. Its totient is φ = 27549646.

The previous prime is 55099267. The next prime is 55099309. The reversal of 55099294 is 49299055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×55099294³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55099294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13774822 + ... + 13774825.

It is an arithmetic number, because the mean of its divisors is an integer number (20662236).

Almost surely, 2^55099294 is an apocalyptic number.

55099294 is a deficient number, since it is larger than the sum of its proper divisors (27549650).

55099294 is a wasteful number, since it uses less digits than its factorization.

55099294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27549649.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 55099294 is about 7422.8898685081. The cubic root of 55099294 is about 380.5239632581.

The spelling of 55099294 in words is "fifty-five million, ninety-nine thousand, two hundred ninety-four".