55002030 has 16 divisors (see below), whose sum is σ = 132004944. Its totient is φ = 14667200.

The previous prime is 55002011. The next prime is 55002037. The reversal of 55002030 is 3020055.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002037) 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, 916671 + ... + 916730.

It is an arithmetic number, because the mean of its divisors is an integer number (8250309).

Almost surely, 2^55002030 is an apocalyptic number.

55002030 is an abundant number, since it is smaller than the sum of its proper divisors (77002914).

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

55002030 is a wasteful number, since it uses less digits than its factorization.

55002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833411.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 55002030 is about 7416.3353484049. The cubic root of 55002030 is about 380.2999248025.

Adding to 55002030 its reverse (3020055), we get a palindrome (58022085).

The spelling of 55002030 in words is "fifty-five million, two thousand, thirty".