46909557 has 8 divisors (see below), whose sum is σ = 69495680. Its totient is φ = 31273020.

The previous prime is 46909553. The next prime is 46909571. The reversal of 46909557 is 75590964.

It is a happy number.

46909557 is a `hidden beast` number, since 4 + 6 + 90 + 9 + 557 = 666.

It is not a de Polignac number, because 46909557 - 2² = 46909553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46909553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868669 + ... + 868722.

It is an arithmetic number, because the mean of its divisors is an integer number (8686960).

Almost surely, 2^46909557 is an apocalyptic number.

It is an amenable number.

46909557 is a deficient number, since it is larger than the sum of its proper divisors (22586123).

46909557 is a wasteful number, since it uses less digits than its factorization.

46909557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737400 (or 1737394 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 46909557 is about 6849.0551903164. The cubic root of 46909557 is about 360.6509749339.

The spelling of 46909557 in words is "forty-six million, nine hundred nine thousand, five hundred fifty-seven".