55742098 has 4 divisors (see below), whose sum is σ = 83613150. Its totient is φ = 27871048.

The previous prime is 55742081. The next prime is 55742101. The reversal of 55742098 is 89024755.

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

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 21132409 = 5883^2 + 4597^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55742098.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13935523 + ... + 13935526.

Almost surely, 2^55742098 is an apocalyptic number.

55742098 is a deficient number, since it is larger than the sum of its proper divisors (27871052).

55742098 is a wasteful number, since it uses less digits than its factorization.

55742098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27871051.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 55742098 is about 7466.0630857233. The cubic root of 55742098 is about 381.9980126538.

The spelling of 55742098 in words is "fifty-five million, seven hundred forty-two thousand, ninety-eight".