47421355 has 16 divisors (see below), whose sum is σ = 58379904. Its totient is φ = 36961920.

The previous prime is 47421349. The next prime is 47421371. The reversal of 47421355 is 55312474.

It is not a de Polignac number, because 47421355 - 2⁹ = 47420843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87385 + ... + 87925.

It is an arithmetic number, because the mean of its divisors is an integer number (3648744).

Almost surely, 2^47421355 is an apocalyptic number.

47421355 is a deficient number, since it is larger than the sum of its proper divisors (10958549).

47421355 is a wasteful number, since it uses less digits than its factorization.

47421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 16800, while the sum is 31.

The square root of 47421355 is about 6886.3165044892. The cubic root of 47421355 is about 361.9578387657.

The spelling of 47421355 in words is "forty-seven million, four hundred twenty-one thousand, three hundred fifty-five".