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55150850 = 2521103017
BaseRepresentation
bin1101001001100…
…0100100000010
310211202221202002
43102120210002
5103104311400
65250024002
71236526436
oct322304402
9124687662
1055150850
1129149717
1216578002
13b56ca51
1474789c6
154c95ed5
hex3498902

55150850 has 12 divisors (see below), whose sum is σ = 102580674. Its totient is φ = 22060320.

The previous prime is 55150841. The next prime is 55150859. The reversal of 55150850 is 5805155.

It is an interprime number because it is at equal distance from previous prime (55150841) and next prime (55150859).

It can be written as a sum of positive squares in 3 ways, for example, as 32273761 + 22877089 = 5681^2 + 4783^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55150859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551459 + ... + 551558.

Almost surely, 255150850 is an apocalyptic number.

55150850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55150850 is a deficient number, since it is larger than the sum of its proper divisors (47429824).

55150850 is a wasteful number, since it uses less digits than its factorization.

55150850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103029 (or 1103024 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 55150850 is about 7426.3618279747. The cubic root of 55150850 is about 380.6426107416.

The spelling of 55150850 in words is "fifty-five million, one hundred fifty thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 1103017 2206034 5515085 11030170 27575425 55150850