55352401 has 6 divisors (see below), whose sum is σ = 59937990. Its totient is φ = 51094368.

The previous prime is 55352389. The next prime is 55352413. The reversal of 55352401 is 10425355.

It is an interprime number because it is at equal distance from previous prime (55352389) and next prime (55352413).

It can be written as a sum of positive squares in 3 ways, for example, as 577600 + 54774801 = 760^2 + 7401^2 .

It is not a de Polignac number, because 55352401 - 2¹⁵ = 55319633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55352461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163596 + ... + 163933.

It is an arithmetic number, because the mean of its divisors is an integer number (9989665).

Almost surely, 2^55352401 is an apocalyptic number.

It is an amenable number.

55352401 is a deficient number, since it is larger than the sum of its proper divisors (4585589).

55352401 is a wasteful number, since it uses less digits than its factorization.

55352401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327555 (or 327542 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55352401 is about 7439.9194216067. The cubic root of 55352401 is about 381.1057382709.

Adding to 55352401 its reverse (10425355), we get a palindrome (65777756).

The spelling of 55352401 in words is "fifty-five million, three hundred fifty-two thousand, four hundred one".