55353988 has 12 divisors (see below), whose sum is σ = 96992140. Its totient is φ = 27641952.

The previous prime is 55353979. The next prime is 55353997. The reversal of 55353988 is 88935355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55353979) and next prime (55353997).

It can be written as a sum of positive squares in 2 ways, for example, as 16016004 + 39337984 = 4002^2 + 6272^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031 + ... + 11662.

Almost surely, 2^55353988 is an apocalyptic number.

It is an amenable number.

55353988 is a deficient number, since it is larger than the sum of its proper divisors (41638152).

55353988 is a wasteful number, since it uses less digits than its factorization.

55353988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526 (or 17524 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 55353988 is about 7440.0260752231. The cubic root of 55353988 is about 381.1093804437.

The spelling of 55353988 in words is "fifty-five million, three hundred fifty-three thousand, nine hundred eighty-eight".