55602782 has 8 divisors (see below), whose sum is σ = 83535816. Its totient is φ = 27757512.

The previous prime is 55602763. The next prime is 55602787. The reversal of 55602782 is 28720655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55602782² = 6183338732279048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55602787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333 + ... + 22904.

It is an arithmetic number, because the mean of its divisors is an integer number (10441977).

Almost surely, 2^55602782 is an apocalyptic number.

55602782 is a deficient number, since it is larger than the sum of its proper divisors (27933034).

55602782 is a wasteful number, since it uses less digits than its factorization.

55602782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43882.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55602782 is about 7456.7272982187. The cubic root of 55602782 is about 381.6795051289.

The spelling of 55602782 in words is "fifty-five million, six hundred two thousand, seven hundred eighty-two".