47402557 has 8 divisors (see below), whose sum is σ = 48409920. Its totient is φ = 46405920.

The previous prime is 47402527. The next prime is 47402561. The reversal of 47402557 is 75520474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47402557 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 (47402527) 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, 6582 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (6051240).

Almost surely, 2^47402557 is an apocalyptic number.

It is an amenable number.

47402557 is a deficient number, since it is larger than the sum of its proper divisors (1007363).

47402557 is a wasteful number, since it uses less digits than its factorization.

47402557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 47402557 is about 6884.9514885727. The cubic root of 47402557 is about 361.9100053040.

The spelling of 47402557 in words is "forty-seven million, four hundred two thousand, five hundred fifty-seven".