47241551 has 16 divisors (see below), whose sum is σ = 57661440. Its totient is φ = 37830240.

The previous prime is 47241547. The next prime is 47241577. The reversal of 47241551 is 15514274.

It is not a de Polignac number, because 47241551 - 2² = 47241547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47241151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2540 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (3603840).

Almost surely, 2^47241551 is an apocalyptic number.

47241551 is a deficient number, since it is larger than the sum of its proper divisors (10419889).

47241551 is a wasteful number, since it uses less digits than its factorization.

47241551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574.

The product of its digits is 5600, while the sum is 29.

The square root of 47241551 is about 6873.2489406394. The cubic root of 47241551 is about 361.4997898846.

The spelling of 47241551 in words is "forty-seven million, two hundred forty-one thousand, five hundred fifty-one".