47550554 has 4 divisors (see below), whose sum is σ = 71325834. Its totient is φ = 23775276.

The previous prime is 47550553. The next prime is 47550577. The reversal of 47550554 is 45505574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 1677025 = 6773^2 + 1295^2 .

It is a super-2 number, since 2×47550554² = 4522110371413832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47550551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887637 + ... + 11887640.

Almost surely, 2^47550554 is an apocalyptic number.

47550554 is a deficient number, since it is larger than the sum of its proper divisors (23775280).

47550554 is a wasteful number, since it uses less digits than its factorization.

47550554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23775279.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 47550554 is about 6895.6909733543. The cubic root of 47550554 is about 362.2862575065.

The spelling of 47550554 in words is "forty-seven million, five hundred fifty thousand, five hundred fifty-four".