49209654 has 16 divisors (see below), whose sum is σ = 105990192. Its totient is φ = 15141408.

The previous prime is 49209637. The next prime is 49209659. The reversal of 49209654 is 45690294.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49209659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315369 + ... + 315524.

It is an arithmetic number, because the mean of its divisors is an integer number (6624387).

Almost surely, 2^49209654 is an apocalyptic number.

49209654 is an abundant number, since it is smaller than the sum of its proper divisors (56780538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49209654 is a wasteful number, since it uses less digits than its factorization.

49209654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630911.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 49209654 is about 7014.9593013787. The cubic root of 49209654 is about 366.4517250809.

The spelling of 49209654 in words is "forty-nine million, two hundred nine thousand, six hundred fifty-four".