55001351 has 4 divisors (see below), whose sum is σ = 56487912. Its totient is φ = 53514792.

The previous prime is 55001311. The next prime is 55001363. The reversal of 55001351 is 15310055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15310055 = 5 ⋅3062011.

It is a cyclic number.

It is not a de Polignac number, because 55001351 - 2¹⁴ = 54984967 is a prime.

It is a super-2 number, since 2×55001351² = 6050297223650402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743225 + ... + 743298.

It is an arithmetic number, because the mean of its divisors is an integer number (14121978).

Almost surely, 2^55001351 is an apocalyptic number.

55001351 is a deficient number, since it is larger than the sum of its proper divisors (1486561).

55001351 is a wasteful number, since it uses less digits than its factorization.

55001351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486560.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55001351 is about 7416.2895709377. The cubic root of 55001351 is about 380.2983598620.

The spelling of 55001351 in words is "fifty-five million, one thousand, three hundred fifty-one".