55495011 has 32 divisors (see below), whose sum is σ = 87429888. Its totient is φ = 30867840.

The previous prime is 55495003. The next prime is 55495019. The reversal of 55495011 is 11059455.

55495011 = T₂₃₅ + T₂₃₆ + ... + T₇₀₁.

It is an interprime number because it is at equal distance from previous prime (55495003) and next prime (55495019).

It is not a de Polignac number, because 55495011 - 2³ = 55495003 is a prime.

It is a super-3 number, since 3×55495011³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55495011.

It is not an unprimeable number, because it can be changed into a prime (55495019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118600 + ... + 119066.

It is an arithmetic number, because the mean of its divisors is an integer number (2732184).

Almost surely, 2^55495011 is an apocalyptic number.

55495011 is a deficient number, since it is larger than the sum of its proper divisors (31934877).

55495011 is a wasteful number, since it uses less digits than its factorization.

55495011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 55495011 is about 7449.4973655945. The cubic root of 55495011 is about 381.4327513705.

Subtracting from 55495011 its reverse (11059455), we obtain a square (44435556 = 6666²).

The spelling of 55495011 in words is "fifty-five million, four hundred ninety-five thousand, eleven".