55513050 has 48 divisors (see below), whose sum is σ = 139952352. Its totient is φ = 14558400.

The previous prime is 55513027. The next prime is 55513093. The reversal of 55513050 is 5031555.

It is a self number, because there is not a number n which added to its sum of digits gives 55513050.

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, 6117 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (2915674).

Almost surely, 2^55513050 is an apocalyptic number.

55513050 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 55513050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69976176).

55513050 is an abundant number, since it is smaller than the sum of its proper divisors (84439302).

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

55513050 is a wasteful number, since it uses less digits than its factorization.

55513050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 55513050 is about 7450.7080200475. The cubic root of 55513050 is about 381.4740759261.

The spelling of 55513050 in words is "fifty-five million, five hundred thirteen thousand, fifty".