55299001 has 4 divisors (see below), whose sum is σ = 56205604. Its totient is φ = 54392400.

The previous prime is 55298983. The next prime is 55299031. The reversal of 55299001 is 10099255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10099255 = 5 ⋅2019851.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 46566976 = 2955^2 + 6824^2 .

It is a cyclic number.

It is not a de Polignac number, because 55299001 - 2⁹ = 55298489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55299031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453210 + ... + 453331.

It is an arithmetic number, because the mean of its divisors is an integer number (14051401).

Almost surely, 2^55299001 is an apocalyptic number.

It is an amenable number.

55299001 is a deficient number, since it is larger than the sum of its proper divisors (906603).

55299001 is an equidigital number, since it uses as much as digits as its factorization.

55299001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906602.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 55299001 is about 7436.3298071024. The cubic root of 55299001 is about 380.9831444058.

The spelling of 55299001 in words is "fifty-five million, two hundred ninety-nine thousand, one".