49640546 has 4 divisors (see below), whose sum is σ = 74460822. Its totient is φ = 24820272.

The previous prime is 49640543. The next prime is 49640581. The reversal of 49640546 is 64504694.

It is a happy number.

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., 49547521 + 93025 = 7039^2 + 305^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49640543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12410135 + ... + 12410138.

Almost surely, 2^49640546 is an apocalyptic number.

49640546 is a deficient number, since it is larger than the sum of its proper divisors (24820276).

49640546 is a wasteful number, since it uses less digits than its factorization.

49640546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820275.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 49640546 is about 7045.6047291911. The cubic root of 49640546 is about 367.5181992314.

The spelling of 49640546 in words is "forty-nine million, six hundred forty thousand, five hundred forty-six".