47551342 has 4 divisors (see below), whose sum is σ = 71327016. Its totient is φ = 23775670.

The previous prime is 47551337. The next prime is 47551351. The reversal of 47551342 is 24315574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24315574 = 2 ⋅12157787.

It is a super-2 number, since 2×47551342² = 4522260252001928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887834 + ... + 11887837.

It is an arithmetic number, because the mean of its divisors is an integer number (17831754).

Almost surely, 2^47551342 is an apocalyptic number.

47551342 is a deficient number, since it is larger than the sum of its proper divisors (23775674).

47551342 is a wasteful number, since it uses less digits than its factorization.

47551342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23775673.

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

The square root of 47551342 is about 6895.7481102488. The cubic root of 47551342 is about 362.2882587450.

The spelling of 47551342 in words is "forty-seven million, five hundred fifty-one thousand, three hundred forty-two".