55702650 has 48 divisors (see below), whose sum is σ = 140062464. Its totient is φ = 14647680.

The previous prime is 55702643. The next prime is 55702681. The reversal of 55702650 is 5620755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8407 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (2917968).

Almost surely, 2^55702650 is an apocalyptic number.

55702650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55702650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70031232).

55702650 is an abundant number, since it is smaller than the sum of its proper divisors (84359814).

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

55702650 is a wasteful number, since it uses less digits than its factorization.

55702650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55702650 is about 7463.4207974628. The cubic root of 55702650 is about 381.9078796169.

It can be divided in two parts, 55 and 702650, that added together give a triangular number (702705 = T₁₁₈₅).

The spelling of 55702650 in words is "fifty-five million, seven hundred two thousand, six hundred fifty".