55206998 has 16 divisors (see below), whose sum is σ = 103244544. Its totient is φ = 21509160.

The previous prime is 55206979. The next prime is 55207051. The reversal of 55206998 is 89960255.

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, 179090 + ... + 179397.

It is an arithmetic number, because the mean of its divisors is an integer number (6452784).

Almost surely, 2^55206998 is an apocalyptic number.

55206998 is a deficient number, since it is larger than the sum of its proper divisors (48037546).

55206998 is a wasteful number, since it uses less digits than its factorization.

55206998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358507.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 55206998 is about 7430.1411830463. The cubic root of 55206998 is about 380.7717418580.

The spelling of 55206998 in words is "fifty-five million, two hundred six thousand, nine hundred ninety-eight".