2077553 has 4 divisors (see below), whose sum is σ = 2199780. Its totient is φ = 1955328.

The previous prime is 2077549. The next prime is 2077561. The reversal of 2077553 is 3557702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3557702 = 2 ⋅1778851.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 1385329 = 832^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077553 - 2² = 2077549 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2077583) 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, 61088 + ... + 61121.

It is an arithmetic number, because the mean of its divisors is an integer number (549945).

2^2077553 is an apocalyptic number.

It is an amenable number.

2077553 is a deficient number, since it is larger than the sum of its proper divisors (122227).

2077553 is a wasteful number, since it uses less digits than its factorization.

2077553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122226.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2077553 is about 1441.3719159190. The cubic root of 2077553 is about 127.6000086805.

The spelling of 2077553 in words is "two million, seventy-seven thousand, five hundred fifty-three".