55100934 has 96 divisors (see below), whose sum is σ = 142062336. Its totient is φ = 15111360.

The previous prime is 55100933. The next prime is 55100953. The reversal of 55100934 is 43900155.

55100934 = 3710² + 3711² + ... + 3713².

It is a super-2 number, since 2×55100934² = 6072225855344712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55100898 and 55100907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 514909 + ... + 515015.

It is an arithmetic number, because the mean of its divisors is an integer number (1479816).

Almost surely, 2^55100934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55100934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71031168).

55100934 is an abundant number, since it is smaller than the sum of its proper divisors (86961402).

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

55100934 is a wasteful number, since it uses less digits than its factorization.

55100934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55100934 is about 7423.0003367910. Note that the first 3 decimals coincide. The cubic root of 55100934 is about 380.5277385824.

The spelling of 55100934 in words is "fifty-five million, one hundred thousand, nine hundred thirty-four".