55254930 has 32 divisors (see below), whose sum is σ = 140413824. Its totient is φ = 13867776.

The previous prime is 55254929. The next prime is 55254931. The reversal of 55254930 is 3945255.

It is an interprime number because it is at equal distance from previous prime (55254929) and next prime (55254931).

It is a junction number, because it is equal to n+sod(n) for n = 55254891 and 55254900.

It is not an unprimeable number, because it can be changed into a prime (55254931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53662 + ... + 54681.

It is an arithmetic number, because the mean of its divisors is an integer number (4387932).

Almost surely, 2^55254930 is an apocalyptic number.

55254930 is an abundant number, since it is smaller than the sum of its proper divisors (85158894).

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

55254930 is a wasteful number, since it uses less digits than its factorization.

55254930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108370.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55254930 is about 7433.3659939492. The cubic root of 55254930 is about 380.8819082760.

The spelling of 55254930 in words is "fifty-five million, two hundred fifty-four thousand, nine hundred thirty".