47290557 has 8 divisors (see below), whose sum is σ = 63085984. Its totient is φ = 31511088.

The previous prime is 47290513. The next prime is 47290571. The reversal of 47290557 is 75509274.

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

It is not a de Polignac number, because 47290557 - 2¹² = 47286461 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 (47290577) 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, 8658 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (7885748).

Almost surely, 2^47290557 is an apocalyptic number.

It is an amenable number.

47290557 is a deficient number, since it is larger than the sum of its proper divisors (15795427).

47290557 is a wasteful number, since it uses less digits than its factorization.

47290557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 47290557 is about 6876.8129973121. The cubic root of 47290557 is about 361.6247472303.

The spelling of 47290557 in words is "forty-seven million, two hundred ninety thousand, five hundred fifty-seven".