55354842 has 24 divisors (see below), whose sum is σ = 120250260. Its totient is φ = 18403200.

The previous prime is 55354829. The next prime is 55354853. The reversal of 55354842 is 24845355.

It can be written as a sum of positive squares in 2 ways, for example, as 36614601 + 18740241 = 6051^2 + 4329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55354797 and 55354806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3384 + ... + 11052.

Almost surely, 2^55354842 is an apocalyptic number.

55354842 is an abundant number, since it is smaller than the sum of its proper divisors (64895418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55354842 is a wasteful number, since it uses less digits than its factorization.

55354842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078 (or 8075 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 55354842 is about 7440.0834672737. The cubic root of 55354842 is about 381.1113403490. Note that the first 3 decimals are identical.

The spelling of 55354842 in words is "fifty-five million, three hundred fifty-four thousand, eight hundred forty-two".