5557406 has 8 divisors (see below), whose sum is σ = 8530104. Its totient is φ = 2714040.

The previous prime is 5557403. The next prime is 5557411. The reversal of 5557406 is 6047555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5557406² = 61769522897672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557403) 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, 32225 + ... + 32396.

It is an arithmetic number, because the mean of its divisors is an integer number (1066263).

Almost surely, 2^5557406 is an apocalyptic number.

5557406 is a deficient number, since it is larger than the sum of its proper divisors (2972698).

5557406 is a wasteful number, since it uses less digits than its factorization.

5557406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64666.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5557406 is about 2357.4151098184. The cubic root of 5557406 is about 177.1294232541.

The spelling of 5557406 in words is "five million, five hundred fifty-seven thousand, four hundred six".