5401557 has 24 divisors (see below), whose sum is σ = 9033024. Its totient is φ = 3046464.

The previous prime is 5401553. The next prime is 5401559. The reversal of 5401557 is 7551045.

It is not a de Polignac number, because 5401557 - 2² = 5401553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5401557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4713 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (376376).

Almost surely, 2^5401557 is an apocalyptic number.

It is an amenable number.

5401557 is a deficient number, since it is larger than the sum of its proper divisors (3631467).

5401557 is a wasteful number, since it uses less digits than its factorization.

5401557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 5401557 is about 2324.1249966385. The cubic root of 5401557 is about 175.4579245080.

The spelling of 5401557 in words is "five million, four hundred one thousand, five hundred fifty-seven".