55409702 has 16 divisors (see below), whose sum is σ = 83973120. Its totient is φ = 27420552.

The previous prime is 55409699. The next prime is 55409729. The reversal of 55409702 is 20790455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125999 + ... + 126437.

It is an arithmetic number, because the mean of its divisors is an integer number (5248320).

Almost surely, 2^55409702 is an apocalyptic number.

55409702 is a deficient number, since it is larger than the sum of its proper divisors (28563418).

55409702 is a wasteful number, since it uses less digits than its factorization.

55409702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55409702 is about 7443.7693408649. The cubic root of 55409702 is about 381.2372002511.

The spelling of 55409702 in words is "fifty-five million, four hundred nine thousand, seven hundred two".