5431655 has 4 divisors (see below), whose sum is σ = 6517992. Its totient is φ = 4345320.

The previous prime is 5431627. The next prime is 5431661. The reversal of 5431655 is 5561345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5561345 = 5 ⋅1112269.

It is not a de Polignac number, because 5431655 - 2⁸ = 5431399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543161 + ... + 543170.

It is an arithmetic number, because the mean of its divisors is an integer number (1629498).

Almost surely, 2^5431655 is an apocalyptic number.

5431655 is a deficient number, since it is larger than the sum of its proper divisors (1086337).

5431655 is a wasteful number, since it uses less digits than its factorization.

5431655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086336.

The product of its digits is 9000, while the sum is 29.

The square root of 5431655 is about 2330.5911267316. The cubic root of 5431655 is about 175.7832106086.

The spelling of 5431655 in words is "five million, four hundred thirty-one thousand, six hundred fifty-five".