55355601 has 16 divisors (see below), whose sum is σ = 85612544. Its totient is φ = 31158864.

The previous prime is 55355593. The next prime is 55355623. The reversal of 55355601 is 10655355.

It is not a de Polignac number, because 55355601 - 2³ = 55355593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55355401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18265 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (5350784).

Almost surely, 2^55355601 is an apocalyptic number.

It is an amenable number.

55355601 is a deficient number, since it is larger than the sum of its proper divisors (30256943).

55355601 is a wasteful number, since it uses less digits than its factorization.

55355601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39420.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55355601 is about 7440.1344745912. The cubic root of 55355601 is about 381.1130822152.

The spelling of 55355601 in words is "fifty-five million, three hundred fifty-five thousand, six hundred one".